Upgrade your machinery with our durable slewing bearings. Smooth rotation, all-weather performance, and exceptional wear resistance. Perfect for cranes, excavators, and more.

Brand Name:	OEM, neutral/HRB/LYC/ZWZ/NSK/SKF/NTN/KOYO/FAG
Model Number:	121.25.500/121.25.560/121.25.630/121.25.710/121.28.800/121.28.900/121.28.1000/121.28.1120/121.32.1250/121.32.1400/121.32.1600/121.32.1800/121.40.2000/121.40.2240/121.40.2500/121.40.2800/121.50.3150/121.50.3550/121.50.4000/121.50.4500
MOQ:	1(negotiation)
Price:	negotiation
Payment Terms:	L/C,T/T,Western Union
Supply Ability:	50,000pcs/month

Detail Information

Product Description

Detail Information

Place of Origin:

China

Product Type:

1. Single Row Four-Point Contact Ball Slewing Bearing2. Double Row Angular Contact Ball Slewing Bearing3. Single Row Cross Roller Slewing Bearing4. Three-Row Cylindrical Roller Slewing Bearing

Material:

High-Carbon Chromium Steel

Diameter Range:

100mm - 15,000mm (Customizable; Large-sized Bearings Can Be Segmented For Transportation)

Precision Grade:

P0, P6, P5 (Optional); Surface Roughness: Ra ≤ 0.2μm; Axial Clearance: 0.02-0.05mm (Adjustable)

Customization:

Lubrication:

Grease / Oil

Packing:

Customer Requirement

Packaging Details:

sea worthy standard

Product Description

Where They Work:

Excavators & Cranes: Heavy loads, constant swing. Built to handle the stress.
Aerial Lifts & Man Baskets: Low torque, quiet motion, zero wobble.
Solar Trackers: Corrosion-resistant finish. Made for the outdoors.
Wind Turbines & Rotary Tables: Precision where it counts.

What You Get:

Forged 42CrMo4 steel rings. Not cast. Not soft.
Internal gear, external gear, or gearless. Your choice.
Standard sizes in stock. Custom specs available fast.

Ready to Match Any Part Number.
Send your drawing or model. We'll quote quick and ship clean.

Current bearing designation	Dimensions(mm)			weigh
Current bearing designation	d	D	T	(kg)
Type121
121.25.500	398	602	75	80
121.25.560	458	662	75	90
121.25.630	528	732	75	100
121.25.710	608	812	75	110
121.28.800	678	922	82	170
121.28.900	778	1022	82	190
121.28.1000	878	1122	82	210
121.28.1120	998	1242	82	230
121.32.1250	1110	1390	91	350
121.32.1400	1260	1540	91	400
121.32.1600	1460	1740	91	440
121.32.1800	1660	1940	91	500
121.40.2000	1825	2178	112	900
121.40.2240	2065	2418	112	1000
121.40.2500	2325	2678	112	1100
121.40.2800	2625	2978	112	1250
121.50.3150	2922	3376	134	2150
121.50.3550	3322	3776	134	2470
121.50.4000	3772	4226	134	2800
121.50.4500	4272	4726	134	3100