Small slewing bearing | ZZ https://www.precisionslewingbearing.com/product-category/small-slewing-bearing/ Sun, 18 Feb 2024 05:54:02 +0000 en-US hourly 1 https://wordpress.org/?v=6.9 https://www.precisionslewingbearing.com/wp-content/uploads/2018/09/cropped-icon-apple-32x32.png Small slewing bearing | ZZ https://www.precisionslewingbearing.com/product-category/small-slewing-bearing/ 32 32 Slewing Bearing Factory Turntable Bearing https://www.precisionslewingbearing.com/product/zz-turntable-bearing/ Tue, 18 Jan 2022 02:25:57 +0000 http://www.precisionslewingbearing.com/?post_type=product&p=23611 High speeds, high loads and salty environment require strong and precise components. The ZZ slewing rings is the perfect answer to the offshore industry. Our specific design satisfy the main manufacturers of onboard and harbour cranes, winches, davits and rubber tired gantry cranes as well as propellers. We propose innovative solutions of sealing to completely protect the bearings from the environment. zz follows the international certification standards.

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]]> The post Slewing Bearing Factory Turntable Bearing appeared first on ZZ.

]]> Miniature slewing bearing https://www.precisionslewingbearing.com/product/miniature-slewing-bearing/ Thu, 23 Dec 2021 01:54:11 +0000 http://www.precisionslewingbearing.com/?post_type=product&p=21283 The miniature slewing bearing has higher precision and more flexible rotation. Generally, it is a gearless slewing bearing with a size of less than 200mm. It is used in industrial robots, experimental benches, food processing machinery, etc.

The post Miniature slewing bearing appeared first on ZZ.

]]> The miniature slewing bearing has higher precision and more flexible rotation. Generally, it is a gearless slewing bearing with a size of less than 200mm. It is used in industrial robots, experimental benches, food processing machinery, etc.
ZZ Slewing Bearing has professional manufacturing experience, and our team of engineers is constantly developing new products to cope with more application scenarios.

China high quality slewing bearing manufacturer

A miniature slewing ring is a compact bearing designed to support light loads and provide controlled rotation. This type of bearing is commonly used in small machinery, instruments, precision equipment and other applications where space is limited. The following are the main features of miniature slewing bearings:

  • Light load support: Miniature slewing bearings are designed to support relatively light loads and are suitable for small equipment and instruments.
  • Compact design: These bearings usually have a compact shape and are suitable for installation in limited space.
  • Precision Rotation: Although designed for light loads, miniature slewing bearings are still capable of providing relatively precise and controlled rotation.
  • Low Friction: To improve accuracy, miniature slewing bearings usually have low friction characteristics to ensure smooth rotation.
  • Diverse Applications: These bearings are suitable for various miniature applications such as camera heads, medical equipment, precision instruments and small robots.
  • Durability: Miniature slewing bearings are generally durable, considering that they are often used in areas that require a high degree of precision and durability.
  • Material selection: Material selection usually takes into account the special needs of bearings in micro applications, such as reducing inertia, improving accuracy, etc.

Select Model Online

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]]> excavator turntable bearing cross roller slewing bearings https://www.precisionslewingbearing.com/product/cross-roller-slewing-bearings/ Mon, 29 Nov 2021 03:12:24 +0000 http://www.precisionslewingbearing.com/?post_type=product&p=20749 Cross roller slewing bearings are a specific type of slewing bearing known for their compact design, high rigidity, and ability to handle both axial and radial loads. These bearings are often used in applications where space is limited, and precise rotational movement is required. Here are some key features and characteristics of cross roller slewing bearings.

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]]> The post excavator turntable bearing cross roller slewing bearings appeared first on ZZ.

]]> slewing ring bearing manufacturers, small slew rings https://www.precisionslewingbearing.com/product/small-slew-rings/ Mon, 29 Nov 2021 03:00:43 +0000 http://www.precisionslewingbearing.com/?post_type=product&p=20743 Small slew rings, also known as small slewing bearings or small turntable bearings, are specialized components designed for applications where space is limited, and precise rotational movement is required.These bearings are often used in various industries, including robotics, automation, medical devices, and small machinery. Here are some key features and considerations for small slew rings.

The post slewing ring bearing manufacturers, small slew rings appeared first on ZZ.

]]>  

High speeds, high loads and salty environment require strong and precise components. The ZZ slewing rings is the perfect answer to the offshore industry. Our specific design satisfy the main manufacturers of onboard and harbour cranes, winches, davits and rubber tired gantry cranes as well as propellers. We propose innovative solutions of sealing to completely protect the bearings from the environment. zz follows the international certification standards.

Slewing bearing repair and processing

Compared with standard bearings, the ZZ slewing ring is a good solution to reduce the assembling time, to simplify the structure and to increase the capacity of the whole system. The high capacity of our gear is the result of our process control. Many towns around the world use our product every day to treat water. Our worldwide company structure gives strong support to customers and to end users.

No. Ring Dimension Dimension of Mounting hole Gear Parameter N.W
kg
Through Thread
D dn H h Du Dn φ n Du Dn d1 T n z m d da L X
mm mm mm mm
QW.400.16             QW.400.16A 480 318 60 10 448 352 15 12 448 352 M14 40 12 143   125 3.5     4 500.5 500 504   504 44 0.5 45     46
QW.450.16             QW.450.16A 530 368 60 10 498 402 15 12 498 402 M14 40 12 157   138 3.5      4 549.5 552 553   556 44 0.5 51     52
QW.500.16             QW.500.16A 580 418 60 10 548 452 15 14 548 452 M14 40 14 150   121 4       5 600   605 604   610 44 0.5 58     58
QW.560.16             QW.560.16A 640 478 60 10 608 512 15 14 608 512 M14 40 14 165   133 4       5 660   665 664   670 44 0.5 65     66
QW.560.20             QW.560.20A 654 464 70 10 618 502 17 14 618 502 M16 30 14 169   136 4       5 676   680 680   685 50 0.5 78     79
QW.630.20             QW.630.20A 724 534 70 10 688 572 17 16 688 572 M16 30 16 186   150 4       5 744   750 748   755 50 0.5 86     88
QW.710.20             QW.710.20A 804 614 70 10 768 652 17 18 768 652 M16 30 18 166   139 5       6 830   834 835   840 50 0.5 99    101
QW.800.20             QW.800.20A 894 704 70 10 858 742 17 20 858 742 M16 30 20 154   116 6       8 924   928 930   936 50 0.5 114   114
QW.800.25             QW.800.25A 904 692 78 10 864 736 22 18 864 736 M20 36 18 156   118 6       8 936    944 942   952 58 0.5 143   147
QW.900.25             QW.900.25A 1004 792 78 10 964 836 22 20 964 836 M20 36 20 130   105 8      10 1040 1050 1048 1060 58 0.5 162   168
QW.1000.25             QW.1000.25A 1104 892 78 10 1064 936 22 24 1064 936 M20 36 24 143   115 8      10 1144 1150 1152 1160 58 -0.5 182   185
QW.1000.32             QW.1000.32A 1120 876 90 10 1074 926 24 24 1074 926 M22 40 24 144   116 8      10 1152 1160 1160 1170 70 -0.5 227   232
QW.1120.32             QW.1120.32A 1240 996 90 10 1194 1046 24 28 1194 1046 M22 40 28 129   108 10     12 1290 1296 1300 1308 70 -0.5 272   275
QW.1250.32             QW.1250.32A 1370 1126 90 10 1324 1176 24 32 1324 1176 M22 40 32 142   119 10     12 1420 1428 1430 1440 70 -0.5 302   309
QW.1400.32             QW.1400.32A 1520 1276 90 10 1474 1326 24 36 1474 1326 M22 40 36 131   113 12     14 1572 1582 1584 1596 70 -0.5 337   347
QW.1250.40             QW.1250.40A 1390 1108 102 12 1336 1164 26 32 1474 1164 M24 45 32 144   120 10     12 1440 1440 1450 1452 80 -0.5 396   392
QW.1400.40             QW.1400.40A 1540 1258 102 12 1486 1314 26 36 1486 1314 M24 45 36 133   114 12     14 1596 1596 1608 1610 80 -0.5 448   443
QW.1600.40            QW.1600.40A 1740 1458 102 12 1686 1514 26 40 1686 1514 M24 45 40 150   129 12     14 1800 1806 1812 1820 80 -0.5 528   534
QW.1800.40             QW.1800.40A 1940 1658 102 12 1886 1714 26 44 1886 1714 M24 45 44 143   126 14     16 2002 2016 2016 2032 80 -0.5 583   607
QW.1600.50             QW.1600.50A 1762 1434 124 12 1704 1496 30 40 1704 1496 M27 50 40 151    130 12     14 1812 1820 1824 1834 100 -0.5 714    727
QW.1800.50            QW.1800.50A 1964 1634 124 12 1904 1696 30 44 1904 1696 M27 50 44 145   127 14     16 2030  2032 2044 2048 100 -0.5 845   843
QW.2000.50             QW.2000.50A 2162 1834 124 12 2104 1896 30 48 2104 1896 M27 50 48 139   124 16     18 2224 2232 2240 2250 100 -0.5 912   927
QW.2240.50             QW.2240.50A 2402 2074 124 12 2344 2136 30 54 2344 2136 M27 50 54 154   138 16     18 2464  2484 2480  2502 100 -0.5 1020 1078
QW.2500.50            QW.2500.50A 2662 2334 124 12 2604 2396 30 60 2604 2396 M27 50 60 152   137 18     20 2736 2740 2754 2760 100 -0.5 1171 1175
QW.2500.60             QW.2500.60A 2696 2304 150 14 2626 2374 33 60 2626 2374 M30 56 60 154   139 18     20 2772 2780 2790 2800 122 -0.5 1677 1701
QW.2800.60             QW.2800.60A 2992 2604 150 14 2926 2674 33 66 2926 2674 M30 56 66 170   154 18     20 3060 3080 3078 3100 122 -0.5 1817 1904
QW.3150.60            QW.3150.60A 3342 2954 150 14 3276 3024 33 72 3276 3024 M30 56 72 171   156 20     22 3420 3432 3440 3454 122 -0.5 2087 2139
QW.3550.60             QW.3550.60A 3742 3354 150 14 3676 3424 33 78 3676 3424 M30 56 78 191   154 20     25 3820 3850 3840 3875 122 -0.5 2355 2500
QW.4000.60             QW.4000.60A 4200 3804 150 14 4126 3874 33 80 4126 3874 M30 56 80 195   172 22     25 4290 4300 4312 4325 122 -0.5 2787 2827

 

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]]> supplier Wind turbines slewing bearing https://www.precisionslewingbearing.com/product/wind-turbines-slewing-bearing/ Mon, 29 Nov 2021 02:50:08 +0000 http://www.precisionslewingbearing.com/?post_type=product&p=20737 Compared with standard bearings, the ZZ slewing ring is a good solution to reduce the assembling time, to simplify the structure and to increase the capacity of the whole system. The high capacity of our gear is the result of our process control. Many towns around the world use our product every day to treat water. Our worldwide company structure gives strong support to customers and to end users.

The post supplier Wind turbines slewing bearing appeared first on ZZ.

]]> The slewing bearing is an essential component in wind turbines, as it allows the nacelle and rotor to rotate horizontally. The main purpose of the slewing bearing is to enable the wind turbine to yaw, which means it can turn and face the wind direction for optimal energy capture.

High-precision slewing bearing manufacturer

  • Maintenance:

Regular maintenance is essential to ensure the proper functioning of the slewing bearing.

  • Load Distribution:

The slewing bearing distributes the loads from the nacelle and rotor to the tower structure.

Slewing bearing raw material processing

 

No. Ring Dimension Dimension of Mounting hole Gear Parameter N.W
kg
Through Thread
D dn H h Du Dn φ n Du Dn d1 T n z m d da L X
mm mm mm mm
QW.400.16             QW.400.16A 480 318 60 10 448 352 15 12 448 352 M14 40 12 143   125 3.5     4 500.5 500 504   504 44 0.5 45     46
QW.450.16             QW.450.16A 530 368 60 10 498 402 15 12 498 402 M14 40 12 157   138 3.5      4 549.5 552 553   556 44 0.5 51     52
QW.500.16             QW.500.16A 580 418 60 10 548 452 15 14 548 452 M14 40 14 150   121 4       5 600   605 604   610 44 0.5 58     58
QW.560.16             QW.560.16A 640 478 60 10 608 512 15 14 608 512 M14 40 14 165   133 4       5 660   665 664   670 44 0.5 65     66
QW.560.20             QW.560.20A 654 464 70 10 618 502 17 14 618 502 M16 30 14 169   136 4       5 676   680 680   685 50 0.5 78     79
QW.630.20             QW.630.20A 724 534 70 10 688 572 17 16 688 572 M16 30 16 186   150 4       5 744   750 748   755 50 0.5 86     88
QW.710.20             QW.710.20A 804 614 70 10 768 652 17 18 768 652 M16 30 18 166   139 5       6 830   834 835   840 50 0.5 99    101
QW.800.20             QW.800.20A 894 704 70 10 858 742 17 20 858 742 M16 30 20 154   116 6       8 924   928 930   936 50 0.5 114   114
QW.800.25             QW.800.25A 904 692 78 10 864 736 22 18 864 736 M20 36 18 156   118 6       8 936    944 942   952 58 0.5 143   147
QW.900.25             QW.900.25A 1004 792 78 10 964 836 22 20 964 836 M20 36 20 130   105 8      10 1040 1050 1048 1060 58 0.5 162   168
QW.1000.25             QW.1000.25A 1104 892 78 10 1064 936 22 24 1064 936 M20 36 24 143   115 8      10 1144 1150 1152 1160 58 -0.5 182   185
QW.1000.32             QW.1000.32A 1120 876 90 10 1074 926 24 24 1074 926 M22 40 24 144   116 8      10 1152 1160 1160 1170 70 -0.5 227   232
QW.1120.32             QW.1120.32A 1240 996 90 10 1194 1046 24 28 1194 1046 M22 40 28 129   108 10     12 1290 1296 1300 1308 70 -0.5 272   275
QW.1250.32             QW.1250.32A 1370 1126 90 10 1324 1176 24 32 1324 1176 M22 40 32 142   119 10     12 1420 1428 1430 1440 70 -0.5 302   309
QW.1400.32             QW.1400.32A 1520 1276 90 10 1474 1326 24 36 1474 1326 M22 40 36 131   113 12     14 1572 1582 1584 1596 70 -0.5 337   347
QW.1250.40             QW.1250.40A 1390 1108 102 12 1336 1164 26 32 1474 1164 M24 45 32 144   120 10     12 1440 1440 1450 1452 80 -0.5 396   392
QW.1400.40             QW.1400.40A 1540 1258 102 12 1486 1314 26 36 1486 1314 M24 45 36 133   114 12     14 1596 1596 1608 1610 80 -0.5 448   443
QW.1600.40            QW.1600.40A 1740 1458 102 12 1686 1514 26 40 1686 1514 M24 45 40 150   129 12     14 1800 1806 1812 1820 80 -0.5 528   534
QW.1800.40             QW.1800.40A 1940 1658 102 12 1886 1714 26 44 1886 1714 M24 45 44 143   126 14     16 2002 2016 2016 2032 80 -0.5 583   607
QW.1600.50             QW.1600.50A 1762 1434 124 12 1704 1496 30 40 1704 1496 M27 50 40 151    130 12     14 1812 1820 1824 1834 100 -0.5 714    727
QW.1800.50            QW.1800.50A 1964 1634 124 12 1904 1696 30 44 1904 1696 M27 50 44 145   127 14     16 2030  2032 2044 2048 100 -0.5 845   843
QW.2000.50             QW.2000.50A 2162 1834 124 12 2104 1896 30 48 2104 1896 M27 50 48 139   124 16     18 2224 2232 2240 2250 100 -0.5 912   927
QW.2240.50             QW.2240.50A 2402 2074 124 12 2344 2136 30 54 2344 2136 M27 50 54 154   138 16     18 2464  2484 2480  2502 100 -0.5 1020 1078
QW.2500.50            QW.2500.50A 2662 2334 124 12 2604 2396 30 60 2604 2396 M27 50 60 152   137 18     20 2736 2740 2754 2760 100 -0.5 1171 1175
QW.2500.60             QW.2500.60A 2696 2304 150 14 2626 2374 33 60 2626 2374 M30 56 60 154   139 18     20 2772 2780 2790 2800 122 -0.5 1677 1701
QW.2800.60             QW.2800.60A 2992 2604 150 14 2926 2674 33 66 2926 2674 M30 56 66 170   154 18     20 3060 3080 3078 3100 122 -0.5 1817 1904
QW.3150.60            QW.3150.60A 3342 2954 150 14 3276 3024 33 72 3276 3024 M30 56 72 171   156 20     22 3420 3432 3440 3454 122 -0.5 2087 2139
QW.3550.60             QW.3550.60A 3742 3354 150 14 3676 3424 33 78 3676 3424 M30 56 78 191   154 20     25 3820 3850 3840 3875 122 -0.5 2355 2500
QW.4000.60             QW.4000.60A 4200 3804 150 14 4126 3874 33 80 4126 3874 M30 56 80 195   172 22     25 4290 4300 4312 4325 122 -0.5 2787 2827

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]]> Manufacturer for slewing bearing with high quality,slewing ring gear https://www.precisionslewingbearing.com/product/slewing-ring-gear/ Mon, 29 Nov 2021 02:37:36 +0000 http://www.precisionslewingbearing.com/?post_type=product&p=20736 The success of the ZZ slewing ring is the result of the precision of our finishing by grinding. All our production is perfectly under control and the matching of the rings and the rolling elements, gives batch after batch, the certainty to obtain the right bearing for this very demanding application. We propose also motor torque bearings. Our tailor made design follows perfectly the specific requirements of the customers.

The post Manufacturer for slewing bearing with high quality,slewing ring gear appeared first on ZZ.

]]> tower crane slewing bearing

After the ZZ Slewing Bearing is installed and put into operation, after 100 hours of continuous operation, it should be fully checked whether the pre-tightening torque of the mounting bolt meets the requirements. Repeat the above inspection every 500 hours of continuous operation thereafter.
After the slewing bearing is installed, the appropriate amount of grease should be filled and the slewing bearing should be filled to make the grease evenly distributed. The slewing bearing will inevitably lose part of the grease after working for a period of time. -Lubrication should be added once after 100 hours. For slewing bearings that work in high-temperature environments or dusty conditions, the cycle should be appropriately short. When the machine is shut down for a long time, it must be filled with sufficient grease.

No. Curve Ring Dimension Dimension of Mounting hole Gear Parameter N.W
kg
Through Thread
D dn H h Du Dn φ n Du Dn d1 T n z m d da L X
mm mm mm mm
Jn.400.12             Jn.400.12A 1 482 320 60 10 448 352 15 12 448 352 M14 28 12 86
75		 3.5
4		 301
300		 297.5
296		 44 0.5 42
43
Jn.450.12             Jn.450.12A 2 532 370 60 10 498 402 15 12 498 402 M14 28 12 100
87		 3.5
4		 350
348		 346.5
344		 44 0.5 50
51
Jn.500.12             Jn.500.12A 3 582 420 60 10 548 452 15 14 548 452 M14 28 14 100
79		 4
5		 400
395		 396
390		 44 0.5 57
57
Jn.560.14             Jn.560.14A 4 642 480 60 10 608 512 15 14 608 512 M14 28 14 115
91		 4
5		 460
455		 456
450		 44 0.5 64
65
Jn.630.14             Jn.630.14A 5 656 468 70 10 618 502 17 14 618 502 M16 30 14 111
88		 4
5		 444
440		 440
435		 50 0.5 76
77
Jn.710.14             Jn.710.14A 6 726 538 70 10 688 572 17 16 688 572 M16 30 16 129
102		 4
5		 516
510		 512
505		 50 0.5 84
86
Jn.710.14             Jn.710.14A 7 806 618 70 10 768 652 17 18 768 652 M16 30 18 118
98		 5
6		 590
588		 585
582		 50 0.5 97
97
Jn.800.14             Jn.800.14A 8 896 708 70 10 858 742 17 20 858 742 M16 30 20 113
84		 6
8		 678
672		 672
664		 50 0.5 110
111
Jn.800.18             Jn.800.18A 9 908 694 78 10 864 736 22 18 864 736 M20 36 18 110
82		 6
8		 660
656		 654
648		 58 0.5 142
142
Jn.900.18             Jn.900.18A 10 1008 794 78 10 964 836 22 20 964 836 M20 36 20 94
75		 8
10		 752
750		 744
740		 58 0.5 163
162
Jn.1000.18             Jn.1000.18A 11 1108 894 78 10 1064 936 22 24 1064 936 M20 36 24 107
85		 8
10		 856
850		 848
840		 58 0.5 178
179
Jn.1000.22             Jn.1000.22A 12 1124 880 90 10 1074 926 24 24 1074 926 M22 40 24 105
84		 8
10		 840
840		 832
830		 70 0.5 230
227
Jn.1120.22            Jn.1120.22A 13 1244 1000 90 10 1194 1046 24 28 1194 1046 M22 40 28 95
79		 10
12		 950
948		 940
936		 70 0.5 263
262
Jn.1250.22            Jn.1250.22A 14 1374 1130 90 10 1324 1176 24 32 1324 1176 M22 40 32 108
90		 10
12		 1080
1080		 1070
1068		 70 0.5 294
290
Jn.1400.22            Jn.1400.22A 15 1524 1280 90 10 1474 1326 24 36 1474 1326 M22 40 36 102
87		 12
14		 1224
1218		 1212
1204		 70 0.5 333
336
Jn.1250.28            Jn.1250.28A 16 1394 1110 102 12 1336 1164 26 32 1336 1164 M24 45 32 106
88		 10
12		 1060
1056		 1050
1044		 80 0.5 388
388
Jn.1400.28            Jn.1400.28A 17 1544 1260 102 12 1486 1314 26 36 1486 1314 M24 45 36 100
86		 12
14		 1200
1204		 1188
1190		 80 0.5 444
434
Jn.1600.28            Jn.1600.28A 18 1744 1460 102 12 1686 1514 26 40 1686 1514 M24 45 40 117
100		 10
14		 1404
1400		 1392
1386		 80 0.5 509
511
Jn.1800.28            Jn.1800.28A 19 1944 1660 102 12 1886 1714 26 44 1886 1714 M24 45 44 114
99		 14
16		 1596
1584		 1582
1568		 80 0.5 576
591
Jn.1600.36            Jn.1600.36A 20 1766 1438 124 12 1704 1496 30 40 1704 1496 M27 50 40 115
98		 12
14		 1380
1372		 1368
1358		 100 0.5 714
723
Jn.1800.36            Jn.1800.36A 21 1966 1638 124 12 1904 1696 30 44 1904 1696 M27 50 44 113
98		 14
16		 1582
1568		 1568
1552		 100 0.5 794
818
Jn.2000.36            Jn.2000.36A 22 2166 1842 124 12 2104 1896 30 48 2104 1896 M27 50 48 111
98		 16
18		 1776
1764		 1760
1746		 100 0.5 891
913
Jn.2240.36            Jn.2240.36A 23 2406 2078 124 12 2344 2136 30 54 2344 2136 M27 50 54 125
111		 16
18		 2000
1998		 1984
1980		 100 0.5 1044
1041
Jn.2500.36            Jn.2500.36A 24 2666 2342 124 12 2604 2396 30 60 2604 2396 M27 50 60 126
113		 18
20		 2268
2260		 2250
2240		 100 0.5 1132
1148
Jn.2500.45            Jn.2500.45A 25 2696 2308 150 14 2626 2374 33 60 2626 2374 M30 56 60 124
111		 18
20		 2232
2220		 2214
2200		 122 0.5 1621
1654
Jn.2800.45            Jn.2800.45A 26 2996 2608 150 14 2926 2674 33 66 2926 2674 M30 56 60 140
126		 18
20		 2520
2520		 2502
2500		 122 0.5 1871
1857
Jn.3150.45            Jn.3150.45A 27 3346 2958 150 14 3276 3024 33 72 3276 3024 M30 56 72 143
130		 20
22		 2860
2860		 2840
2838		 122 0.5 2144
2129
Jn.3550.45            Jn.3550.45A 28 3746 3358 150 14 3676 3424 33 78 3676 3424 M30 56 78 163
130		 20
25		 3260
3250		 3240
3225		 122 0.5 2425
2437
Jn.4000.45            Jn.4000.45A 29 4196 3808 150 14 4126 3874 33 80 4126 3874 M30 56 80 169
148		 22
25		 3718
3700		 3696
3675		 122 0.5 2683
2763

 

Port machinery crane slewing bearing

According to different structural characteristics, slewing bearings can meet the needs of working hosts under different load conditions. Four-point contact ball slewing bearings have high dynamic load capacity. Crossed cylindrical roller slewing bearings have high static load capacity. Crossed tapered rollers The pre-interference energy of the sub-slewing bearing enables the bearing to have greater support rigidity and higher rotation accuracy.

The post Manufacturer for slewing bearing with high quality,slewing ring gear appeared first on ZZ.

]]> Slewing ring bearings, turntable bearings, small slew ring bearing https://www.precisionslewingbearing.com/product/turntable-bearing/ Mon, 29 Nov 2021 02:31:59 +0000 http://www.precisionslewingbearing.com/?post_type=product&p=20720 The success of the ZZ slewing ring is the result of the precision of our finishing by grinding. All our production is perfectly under control and the matching of the rings and the rolling elements, gives batch after batch, the certainty to obtain the right bearing for this very demanding application. We propose also motor torque bearings. Our tailor made design follows perfectly the specific requirements of the customers.

The post Slewing ring bearings, turntable bearings, small slew ring bearing appeared first on ZZ.

]]> Because of the light structure of the crane, the ZZ slewing ring is an essential and strategic part. Our design matches perfectly the life time required by the customer. The quality and the precision of our manufacturing is the key to ensure good running after many cranes dismantling. In this application the ZZ slewing ring helps construct buildings everyday all around the world with total security.

Choose slewing bearing manufacturer

 

According to different structural characteristics, slewing bearings can meet the needs of working hosts under different load conditions. Four-point contact ball slewing bearings have high dynamic load capacity. Crossed cylindrical roller slewing bearings have high static load capacity. Crossed tapered rollers The pre-interference energy of the sub-slewing bearing enables the bearing to have greater support rigidity and higher rotation accuracy. The three-row cylindrical roller combined slewing bearing leads to the improvement of the bearing capacity in the height direction of the bearing. The track and roller set bear, so under the same stress conditions, the diameter of the bearing can be greatly reduced, so it has the characteristics of making the host more compact. It is a high-loading capacity slewing bearing.

 

No. Curve Ring Dimension Dimension of Mounting hole Gear Parameter N.W
kg
Through Thread
D dn H h Du Dn φ n Du Dn d1 T n z m d da L X
mm mm mm mm
Jn.400.12             Jn.400.12A 1 482 320 60 10 448 352 15 12 448 352 M14 28 12 86
75		 3.5
4		 301
300		 297.5
296		 44 0.5 42
43
Jn.450.12             Jn.450.12A 2 532 370 60 10 498 402 15 12 498 402 M14 28 12 100
87		 3.5
4		 350
348		 346.5
344		 44 0.5 50
51
Jn.500.12             Jn.500.12A 3 582 420 60 10 548 452 15 14 548 452 M14 28 14 100
79		 4
5		 400
395		 396
390		 44 0.5 57
57
Jn.560.14             Jn.560.14A 4 642 480 60 10 608 512 15 14 608 512 M14 28 14 115
91		 4
5		 460
455		 456
450		 44 0.5 64
65
Jn.630.14             Jn.630.14A 5 656 468 70 10 618 502 17 14 618 502 M16 30 14 111
88		 4
5		 444
440		 440
435		 50 0.5 76
77
Jn.710.14             Jn.710.14A 6 726 538 70 10 688 572 17 16 688 572 M16 30 16 129
102		 4
5		 516
510		 512
505		 50 0.5 84
86
Jn.710.14             Jn.710.14A 7 806 618 70 10 768 652 17 18 768 652 M16 30 18 118
98		 5
6		 590
588		 585
582		 50 0.5 97
97
Jn.800.14             Jn.800.14A 8 896 708 70 10 858 742 17 20 858 742 M16 30 20 113
84		 6
8		 678
672		 672
664		 50 0.5 110
111
Jn.800.18             Jn.800.18A 9 908 694 78 10 864 736 22 18 864 736 M20 36 18 110
82		 6
8		 660
656		 654
648		 58 0.5 142
142
Jn.900.18             Jn.900.18A 10 1008 794 78 10 964 836 22 20 964 836 M20 36 20 94
75		 8
10		 752
750		 744
740		 58 0.5 163
162
Jn.1000.18             Jn.1000.18A 11 1108 894 78 10 1064 936 22 24 1064 936 M20 36 24 107
85		 8
10		 856
850		 848
840		 58 0.5 178
179
Jn.1000.22             Jn.1000.22A 12 1124 880 90 10 1074 926 24 24 1074 926 M22 40 24 105
84		 8
10		 840
840		 832
830		 70 0.5 230
227
Jn.1120.22            Jn.1120.22A 13 1244 1000 90 10 1194 1046 24 28 1194 1046 M22 40 28 95
79		 10
12		 950
948		 940
936		 70 0.5 263
262
Jn.1250.22            Jn.1250.22A 14 1374 1130 90 10 1324 1176 24 32 1324 1176 M22 40 32 108
90		 10
12		 1080
1080		 1070
1068		 70 0.5 294
290
Jn.1400.22            Jn.1400.22A 15 1524 1280 90 10 1474 1326 24 36 1474 1326 M22 40 36 102
87		 12
14		 1224
1218		 1212
1204		 70 0.5 333
336
Jn.1250.28            Jn.1250.28A 16 1394 1110 102 12 1336 1164 26 32 1336 1164 M24 45 32 106
88		 10
12		 1060
1056		 1050
1044		 80 0.5 388
388
Jn.1400.28            Jn.1400.28A 17 1544 1260 102 12 1486 1314 26 36 1486 1314 M24 45 36 100
86		 12
14		 1200
1204		 1188
1190		 80 0.5 444
434
Jn.1600.28            Jn.1600.28A 18 1744 1460 102 12 1686 1514 26 40 1686 1514 M24 45 40 117
100		 10
14		 1404
1400		 1392
1386		 80 0.5 509
511
Jn.1800.28            Jn.1800.28A 19 1944 1660 102 12 1886 1714 26 44 1886 1714 M24 45 44 114
99		 14
16		 1596
1584		 1582
1568		 80 0.5 576
591
Jn.1600.36            Jn.1600.36A 20 1766 1438 124 12 1704 1496 30 40 1704 1496 M27 50 40 115
98		 12
14		 1380
1372		 1368
1358		 100 0.5 714
723
Jn.1800.36            Jn.1800.36A 21 1966 1638 124 12 1904 1696 30 44 1904 1696 M27 50 44 113
98		 14
16		 1582
1568		 1568
1552		 100 0.5 794
818
Jn.2000.36            Jn.2000.36A 22 2166 1842 124 12 2104 1896 30 48 2104 1896 M27 50 48 111
98		 16
18		 1776
1764		 1760
1746		 100 0.5 891
913
Jn.2240.36            Jn.2240.36A 23 2406 2078 124 12 2344 2136 30 54 2344 2136 M27 50 54 125
111		 16
18		 2000
1998		 1984
1980		 100 0.5 1044
1041
Jn.2500.36            Jn.2500.36A 24 2666 2342 124 12 2604 2396 30 60 2604 2396 M27 50 60 126
113		 18
20		 2268
2260		 2250
2240		 100 0.5 1132
1148
Jn.2500.45            Jn.2500.45A 25 2696 2308 150 14 2626 2374 33 60 2626 2374 M30 56 60 124
111		 18
20		 2232
2220		 2214
2200		 122 0.5 1621
1654
Jn.2800.45            Jn.2800.45A 26 2996 2608 150 14 2926 2674 33 66 2926 2674 M30 56 60 140
126		 18
20		 2520
2520		 2502
2500		 122 0.5 1871
1857
Jn.3150.45            Jn.3150.45A 27 3346 2958 150 14 3276 3024 33 72 3276 3024 M30 56 72 143
130		 20
22		 2860
2860		 2840
2838		 122 0.5 2144
2129
Jn.3550.45            Jn.3550.45A 28 3746 3358 150 14 3676 3424 33 78 3676 3424 M30 56 78 163
130		 20
25		 3260
3250		 3240
3225		 122 0.5 2425
2437
Jn.4000.45            Jn.4000.45A 29 4196 3808 150 14 4126 3874 33 80 4126 3874 M30 56 80 169
148		 22
25		 3718
3700		 3696
3675		 122 0.5 2683
2763

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