021or022 series bore:200-1000mm Double-Row Step Bore Ball Slewing Bearings| JYHY Group

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Double-row ball slewing bearings deliver enhanced load capacity and rigidity. Technical highlights:

Step bore design for precise axial location
45° contact angle for optimal load transfer
Special raceway grinding for smooth operation
Primary applications: excavator swing bearings, radar platforms
Optional surface hardening up to 60 HRC

Double-Row Step Bore Ball Slewing Bearings Product Specifications

Basic parameters are displayed below. Click the details icon to view complete specifications including materials, tolerances, and application guidelines.

Bearing Model	Dimensions			Structure dimensions			Coa	Weight
Bearing Model	d	D	H	n1	H1	h	Coa	Weight
	021.25.500	384	616	106	4	96	26	1210	100
022.25.500	384	616	106	4	96	26	1210	100
021.25.560	446	676	106	4	96	26	1340	115
022.25.560	446	676	106	4	96	26	1340	115
021.25.630	514	746	106	4	96	26	1530	130
022.25.630	514	746	106	4	96	26	1530	130
021.25.710	594	826	106	4	96	26	1730	140
022.25.710	594	826	106	4	96	26	1730	140
021.30.800	658	942	124	6	114	29	2300	200
022.30.800	658	942	124	6	114	29	2300	200
021.30.900	758	1042	124	6	114	29	2580	250
022.30.900	758	1042	124	6	114	29	2580	250
021.30.1000	858	1142	124	6	114	29	2860	300
022.30.1000	858	1142	124	6	114	29	2860	300
021.30.1120	978	1262	124	6	114	29	3210	340
022.30.1120	978	1262	124	6	114	29	3210	340

Double-Row Step Bore Ball Slewing Bearings

Double-Row Step Bore Ball Slewing Bearings Product Specifications

Bore Diameter

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