{"id":53257,"date":"2025-08-18T09:27:10","date_gmt":"2025-08-18T01:27:10","guid":{"rendered":"https:\/\/www.slewing-bearing.com\/?post_type=product&p=53257"},"modified":"2025-08-18T10:47:32","modified_gmt":"2025-08-18T02:47:32","slug":"zz-double-row-ball-slewing-bearing-for-excavators","status":"publish","type":"product","link":"https:\/\/www.slewing-bearing.com\/product\/zz-double-row-ball-slewing-bearing-for-excavators\/","title":{"rendered":"ZZ Double Row Ball Slewing Bearing for Excavators"},"content":{"rendered":"

The ZZ double row ball slewing bearing<\/strong><\/a> is engineered for heavy-duty applications requiring higher load capacity and stability. With two rows of precision steel balls, it can simultaneously bear substantial axial, radial, and overturning loads. This makes it ideal for excavators, truck cranes, tower cranes, and concrete pump trucks where safety and reliability are critical.<\/p>\n

ZZ double row slewing bearings feature high-strength alloy steel construction, advanced heat treatment, and precision-ground raceways. The dual-row design distributes loads more evenly, reducing wear and extending service life. Optional gear teeth configurations allow seamless integration with hydraulic or electric drive systems.<\/p>\n

Sealed designs protect against dust, mud, and water, while internal lubrication ensures smooth operation with minimal maintenance. The robust structure maintains stability even under shock loads common in mining, construction, or port machinery.<\/p>\n\r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n \r\n
\u3000<\/th>\r\n Dimensions<\/th>\r\n Fixing Holes<\/th>\r\n Structure Size<\/th>\r\n Gear data<\/th>\r\n External gear data<\/th>\r\n Internal gear data<\/th>\r\n <\/tr>\r\n
Code<\/th>\r\n Curva<\/th>\r\n D
\r\n (mm)<\/th>\r\n 		d
\r\n (mm)<\/th>\r\n 		H
\r\n (mm)<\/th>\r\n 		D1<\/sub>
\r\n (mm)<\/th>\r\n 		D2<\/sub>
\r\n (mm)<\/th>\r\n 		dn1<\/sub>
\r\n dn2<\/sub>
\r\n (mm)<\/th>\r\n 		dm1<\/sub>
\r\n dm2<\/sub>
\r\n (mm)<\/th>\r\n 		L
\r\n (mm)<\/th>\r\n 		n\u00a0<\/th>\r\n n1<\/sub><\/th>\r\n H1<\/sub>
\r\n (mm)<\/th>\r\n 		h
\r\n (mm)<\/th>\r\n 		b
\r\n (mm)<\/th>\r\n 		m
\r\n (mm)<\/th>\r\n 		da<\/sub>
\r\n (mm)\u00a0\u00a0<\/th>\r\n 		z\u00a0<\/th>\r\n da<\/sub>
\r\n (mm)\u00a0\u00a0<\/th>\r\n 		z<\/th>\r\n <\/tr>\r\n
02.25.500<\/a><\/td>\r\n 1<\/td>\r\n 616<\/td>\r\n 384<\/td>\r\n 106<\/td>\r\n 580<\/td>\r\n 420<\/td>\r\n 18<\/td>\r\n M16<\/td>\r\n 32<\/td>\r\n 20<\/td>\r\n 4<\/td>\r\n 96<\/td>\r\n 26<\/td>\r\n 60<\/td>\r\n 5
\r\n 6<\/td>\r\n 		644
\r\n 646.8<\/td>\r\n 		126
\r\n 105<\/td>\r\n 		357
\r\n 350.4<\/td>\r\n 		72
\r\n 59<\/td>\r\n <\/tr>\r\n
02.25.560<\/a><\/td>\r\n 2<\/td>\r\n 676<\/td>\r\n 444<\/td>\r\n 106<\/td>\r\n 640<\/td>\r\n 480<\/td>\r\n 18<\/td>\r\n M16<\/td>\r\n 32<\/td>\r\n 20<\/td>\r\n 4<\/td>\r\n 96<\/td>\r\n 26<\/td>\r\n 60<\/td>\r\n 5
\r\n 6<\/td>\r\n 		704
\r\n 706.8<\/td>\r\n 		138
\r\n 115<\/td>\r\n 		417
\r\n 410.4<\/td>\r\n 		84
\r\n 69<\/td>\r\n <\/tr>\r\n
02.25.630<\/a><\/td>\r\n 3<\/td>\r\n 746<\/td>\r\n 514<\/td>\r\n 106<\/td>\r\n 710<\/td>\r\n 550<\/td>\r\n 18<\/td>\r\n M16<\/td>\r\n 32<\/td>\r\n 24<\/td>\r\n 4<\/td>\r\n 96<\/td>\r\n 26<\/td>\r\n 60<\/td>\r\n 6
\r\n 8<\/td>\r\n 		790.8
\r\n 790.4<\/td>\r\n 		129
\r\n 96<\/td>\r\n 		482.4
\r\n 475.2<\/td>\r\n 		81
\r\n 60<\/td>\r\n <\/tr>\r\n
02.25.710<\/a><\/td>\r\n 4<\/td>\r\n 826<\/td>\r\n 594<\/td>\r\n 106<\/td>\r\n 790<\/td>\r\n 630<\/td>\r\n 18<\/td>\r\n M16<\/td>\r\n 32<\/td>\r\n 24<\/td>\r\n 4<\/td>\r\n 96<\/td>\r\n 26<\/td>\r\n 60<\/td>\r\n 6
\r\n 8<\/td>\r\n 		862.8
\r\n 862.4<\/td>\r\n 		141
\r\n 105<\/td>\r\n 		560.4
\r\n 555.2<\/td>\r\n 		94
\r\n 70<\/td>\r\n <\/tr>\r\n
02.30.800<\/td>\r\n 5<\/td>\r\n 942<\/td>\r\n 658<\/td>\r\n 124<\/td>\r\n 898<\/td>\r\n 702<\/td>\r\n 22<\/td>\r\n M20<\/td>\r\n 40<\/td>\r\n 30<\/td>\r\n 6<\/td>\r\n 114<\/td>\r\n 29<\/td>\r\n 80<\/td>\r\n 8
\r\n 10<\/td>\r\n 		982.4
\r\n 988<\/td>\r\n 		120
\r\n 96<\/td>\r\n 		619.2
\r\n 614<\/td>\r\n 		78
\r\n 62<\/td>\r\n <\/tr>\r\n
02.30.900<\/td>\r\n 6<\/td>\r\n 1042<\/td>\r\n 758<\/td>\r\n 124<\/td>\r\n 998<\/td>\r\n 802<\/td>\r\n 22<\/td>\r\n M20<\/td>\r\n 40<\/td>\r\n 30<\/td>\r\n 6<\/td>\r\n 114<\/td>\r\n 29<\/td>\r\n 80<\/td>\r\n 8
\r\n 10<\/td>\r\n 		1086.4
\r\n 1088\u00a0<\/td>\r\n 		133
\r\n 106<\/td>\r\n 		715.2
\r\n 714<\/td>\r\n 		90
\r\n 72<\/td>\r\n <\/tr>\r\n
02.30.1000<\/td>\r\n 7<\/td>\r\n 1142<\/td>\r\n 858<\/td>\r\n 124<\/td>\r\n 1098<\/td>\r\n 902<\/td>\r\n 22<\/td>\r\n M20<\/td>\r\n 40<\/td>\r\n 36<\/td>\r\n 6<\/td>\r\n 114<\/td>\r\n 29<\/td>\r\n 80<\/td>\r\n 10
\r\n 12<\/td>\r\n 		1198
\r\n 1197.6<\/td>\r\n 		117
\r\n 97<\/td>\r\n 		814
\r\n 796.8<\/td>\r\n 		82
\r\n 67<\/td>\r\n <\/tr>\r\n
02.30.1120<\/td>\r\n 8<\/td>\r\n 1262<\/td>\r\n 978<\/td>\r\n 124<\/td>\r\n 1218<\/td>\r\n 1022<\/td>\r\n 22<\/td>\r\n M20<\/td>\r\n 40<\/td>\r\n 36<\/td>\r\n 6<\/td>\r\n 114<\/td>\r\n 29<\/td>\r\n 80<\/td>\r\n 10
\r\n 12<\/td>\r\n 		1318
\r\n 1317.6<\/td>\r\n 		129
\r\n 107<\/td>\r\n 		924
\r\n 916.8<\/td>\r\n 		93
\r\n 77<\/td>\r\n <\/tr>\r\n
02.40.1250<\/td>\r\n 9<\/td>\r\n 1426<\/td>\r\n 1074<\/td>\r\n 160<\/td>\r\n 1374<\/td>\r\n 1126<\/td>\r\n 26<\/td>\r\n M24<\/td>\r\n 48<\/td>\r\n 40<\/td>\r\n 5<\/td>\r\n 150<\/td>\r\n 39<\/td>\r\n 90<\/td>\r\n 12
\r\n 14<\/td>\r\n 		1497.6
\r\n 1495.2<\/td>\r\n 		122
\r\n 104<\/td>\r\n 		1012.8
\r\n 1013.6<\/td>\r\n 		85
\r\n 73<\/td>\r\n <\/tr>\r\n
02.40.1400<\/td>\r\n 10<\/td>\r\n 1576<\/td>\r\n 1224<\/td>\r\n 160<\/td>\r\n 1524<\/td>\r\n 1276<\/td>\r\n 26<\/td>\r\n M24<\/td>\r\n 48<\/td>\r\n 40<\/td>\r\n 5<\/td>\r\n 150<\/td>\r\n 39<\/td>\r\n 90<\/td>\r\n 12
\r\n 14<\/td>\r\n 		1641.6
\r\n 1649.2<\/td>\r\n 		134
\r\n 115<\/td>\r\n 		1156.8
\r\n 1153.6<\/td>\r\n 		97
\r\n 83<\/td>\r\n <\/tr>\r\n
02.40.1600<\/td>\r\n 11<\/td>\r\n 1776<\/td>\r\n 1424<\/td>\r\n 160<\/td>\r\n 1724<\/td>\r\n 1476<\/td>\r\n 26<\/td>\r\n M24<\/td>\r\n 48<\/td>\r\n 45<\/td>\r\n 5<\/td>\r\n 150<\/td>\r\n 39<\/td>\r\n 90<\/td>\r\n 14
\r\n 16<\/td>\r\n 		1845.2
\r\n 1852.8<\/td>\r\n 		129
\r\n 113<\/td>\r\n 		1349.6
\r\n 1350.4<\/td>\r\n 		97
\r\n 85<\/td>\r\n <\/tr>\r\n
02.40.1800<\/td>\r\n 12<\/td>\r\n 1976<\/td>\r\n 1624<\/td>\r\n 160<\/td>\r\n 1924<\/td>\r\n 1676<\/td>\r\n 26<\/td>\r\n M24<\/td>\r\n 48<\/td>\r\n 45<\/td>\r\n 5<\/td>\r\n 150<\/td>\r\n 39<\/td>\r\n 90<\/td>\r\n 14
\r\n 16<\/td>\r\n 		2055.2
\r\n 2060.8<\/td>\r\n 		144
\r\n 126<\/td>\r\n 		1545.6
\r\n 1542.4<\/td>\r\n 		111
\r\n 97<\/td>\r\n <\/tr>\r\n
02.50.2000<\/td>\r\n 13<\/td>\r\n 2215<\/td>\r\n 1785<\/td>\r\n 190<\/td>\r\n 2149<\/td>\r\n 1851<\/td>\r\n 33<\/td>\r\n M30<\/td>\r\n 60<\/td>\r\n 48<\/td>\r\n 8<\/td>\r\n 178<\/td>\r\n 47<\/td>\r\n 120<\/td>\r\n 16
\r\n 18<\/td>\r\n 		2300.8
\r\n 2300.4<\/td>\r\n 		141
\r\n 125<\/td>\r\n 		1702.4
\r\n 1699.2<\/td>\r\n 		107
\r\n 95<\/td>\r\n <\/tr>\r\n
02.50.2240<\/td>\r\n 14<\/td>\r\n 2455<\/td>\r\n 2025<\/td>\r\n 190<\/td>\r\n 2389<\/td>\r\n 2091<\/td>\r\n 33<\/td>\r\n M30<\/td>\r\n 60<\/td>\r\n 48<\/td>\r\n 8<\/td>\r\n 178<\/td>\r\n 47<\/td>\r\n 120<\/td>\r\n 16
\r\n 18<\/td>\r\n 		2540.8
\r\n 2552.4<\/td>\r\n 		156
\r\n 139<\/td>\r\n 		1942.4
\r\n 1933.2<\/td>\r\n 		122
\r\n 108<\/td>\r\n <\/tr>\r\n
02.50.2500<\/td>\r\n 15<\/td>\r\n 2715<\/td>\r\n 2285<\/td>\r\n 190<\/td>\r\n 2649<\/td>\r\n 2351<\/td>\r\n 33<\/td>\r\n M30<\/td>\r\n 60<\/td>\r\n 56<\/td>\r\n 8<\/td>\r\n 178<\/td>\r\n 47<\/td>\r\n 120<\/td>\r\n 18
\r\n 20<\/td>\r\n 		2804.4
\r\n 2816<\/td>\r\n 		153
\r\n 138<\/td>\r\n 		2203.2
\r\n 2188<\/td>\r\n 		123
\r\n 110<\/td>\r\n <\/tr>\r\n
02.50.2800<\/td>\r\n 16<\/td>\r\n 3015<\/td>\r\n 2585<\/td>\r\n 190<\/td>\r\n 2949<\/td>\r\n 2651<\/td>\r\n 33<\/td>\r\n M30<\/td>\r\n 60<\/td>\r\n 56<\/td>\r\n 8<\/td>\r\n 178<\/td>\r\n 47<\/td>\r\n 120<\/td>\r\n 18
\r\n 20<\/td>\r\n 		3110.4
\r\n 3116<\/td>\r\n 		170
\r\n 153<\/td>\r\n 		2491.2
\r\n 2488<\/td>\r\n 		139
\r\n 125<\/td>\r\n <\/tr>\r\n
02.60.3150<\/td>\r\n 17<\/td>\r\n 3428<\/td>\r\n 2872<\/td>\r\n 226<\/td>\r\n 3338<\/td>\r\n 2962<\/td>\r\n 45<\/td>\r\n M42<\/td>\r\n 84<\/td>\r\n 56<\/td>\r\n 8<\/td>\r\n 214<\/td>\r\n 56<\/td>\r\n 150<\/td>\r\n 20
\r\n 22<\/td>\r\n 		3536
\r\n 3537.6<\/td>\r\n 		174
\r\n 158<\/td>\r\n 		2768
\r\n 2758.8<\/td>\r\n 		139
\r\n 126<\/td>\r\n <\/tr>\r\n
02.60.3550<\/td>\r\n 18<\/td>\r\n 3828<\/td>\r\n 3272<\/td>\r\n 226<\/td>\r\n 3738<\/td>\r\n 3362<\/td>\r\n 45<\/td>\r\n M42<\/td>\r\n 84<\/td>\r\n 56<\/td>\r\n 8<\/td>\r\n 214<\/td>\r\n 56<\/td>\r\n 150<\/td>\r\n 20
\r\n 22<\/td>\r\n 		3936
\r\n 3933.6<\/td>\r\n 		194
\r\n 176<\/td>\r\n 		3168
\r\n 3176.8<\/td>\r\n 		159
\r\n 145<\/td>\r\n <\/tr>\r\n
02.60.4000<\/td>\r\n 19<\/td>\r\n 4278<\/td>\r\n 3722<\/td>\r\n 226<\/td>\r\n 4188<\/td>\r\n 3812<\/td>\r\n 45<\/td>\r\n M42<\/td>\r\n 84<\/td>\r\n 60<\/td>\r\n 10<\/td>\r\n 214<\/td>\r\n 56<\/td>\r\n 150<\/td>\r\n 22
\r\n 25<\/td>\r\n 		4395.6
\r\n 4395<\/td>\r\n 		197
\r\n 173<\/td>\r\n 		3616.8
\r\n 3610<\/td>\r\n 		165
\r\n 145<\/td>\r\n <\/tr>\r\n
02.60.4500<\/td>\r\n 20<\/td>\r\n 4778<\/td>\r\n 4222<\/td>\r\n 226<\/td>\r\n 4688<\/td>\r\n 4312<\/td>\r\n 45<\/td>\r\n M42<\/td>\r\n 84<\/td>\r\n 60<\/td>\r\n 10<\/td>\r\n 214<\/td>\r\n 56<\/td>\r\n 150<\/td>\r\n 22
\r\n 25<\/td>\r\n 		4879.6
\r\n 4895<\/td>\r\n 		219
\r\n 193<\/td>\r\n 		4122.8
\r\n 4110<\/td>\r\n 		188
\r\n 165<\/td>\r\n <\/tr>\r\n<\/table>\n

Widely used in aerial work platforms, rotary drilling rigs, and shield tunneling machines, these bearings deliver precision, durability, and confidence in every rotation. ISO-certified production and rigorous quality control guarantee ZZ bearings meet global standards for engineering machinery.<\/p>\n","protected":false},"excerpt":{"rendered":"

The ZZ double row ball slewing bearing is designed for heavy-duty engineering machinery where higher load capacity and stability are required. Featuring two rows of precision steel balls, this bearing can handle combined axial, radial, and tilting moment loads simultaneously, making it ideal for excavators, truck cranes, tower cranes, and concrete pump trucks.<\/p>\n","protected":false},"featured_media":53259,"comment_status":"closed","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[225],"product_tag":[3053,3052,3050,3051],"class_list":{"0":"post-53257","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-double-row-ball-slewing-ring","7":"product_tag-concrete-pump-slewing-bearing","8":"product_tag-crane-slewing-ring","9":"product_tag-double-row-ball-bearing","10":"product_tag-excavator-rotation-system","12":"first","13":"instock","14":"shipping-taxable","15":"product-type-simple"},"yoast_head":"\nZZ Double Row Ball Slewing Bearing for Excavators<\/title>\n<meta name=\"description\" content=\"ZZ double row ball slewing bearing provides heavy-load 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