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High-precision rotary bearings for cranes, excavators & wind turbines at unbeatable factory prices. ISO-certified quality with superior load capacity. Bulk discounts available.

Brand Name:	OEM, neutral/HRB/LYC/ZWZ/NSK/SKF/NTN/KOYO/FAG
Model Number:	131.25.500/131.25.560/131.25.630/131.25.700/131.32.800/131.32.900/131.32.1000/131.32.1120/131.40.1250/131.40.1400/131.40.1600/131.40.1800/131.45.2000/131.45.2000.04/131.45.2240/131.45.2500/131.45.2800/131.50.3150.12K/131.50.3150/131.30.3150.12K/131.50.3550
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:

Packaging Details:

sea worthy standard

Product Description

Product Overview

We are a professional slewing bearing manufacturer in China, specializing in high-precision slewing rings for heavy-duty applications. All products are factory-direct supplied, eliminating middleman costs and ensuring competitive pricing without compromising quality.

Key Selling Points — Why Choose Us

Feature	Factory Advantage
Forged & Quenched Raceway	42CrMo / 50Mn forged rings, induction hardened raceway HRC 55-62, superior load capacity and long service life
High Gear Precision	Internal / External / No Gear options, gear accuracy up to DIN 6 / AGMA 9
Advanced Sealing System	Triple-lip heavy-duty seal prevents grease leakage and contamination ingress
OEM & Customization Welcomed	Custom OD/ID, bolt hole patterns, tooth profiles, and special coatings available
Direct Factory Pricing	No trading company markup — get manufacturer-level EXW/FOB pricing
Short Lead Time	Standard models 3-7 days ready for shipment; customized orders within 20-25 days
Quality Assurance	100% rotational torque and clearance tested before packing; ISO 9001:2015 Certified

Available Series & Specifications

Series	Type	Typical Application
01 Series	Single Row Ball Slewing Bearing	Small excavators, light-duty turntables
02 Series	Double Row Ball Slewing Bearing	Truck cranes, aerial work platforms
11 Series	Cross Roller Slewing Bearing	Welding positioners, precision rotary tables
13 Series	Three-Row Roller Slewing Bearing	Heavy excavators, offshore cranes, wind turbines
Light Series	Thin Section Slewing Bearing	Solar trackers, medical equipment, radar antennas

Technical Specifications

Parameter	Standard Value
Material	42CrMo / 50Mn Forged Steel
Raceway Hardness	HRC 55-62
Gear Hardness	HRC 50-55 (Induction Hardened)
Clearance	0.05 - 0.30 mm (Application Specific)
Lubrication	Grease Nipple / Oil Hole Standard
Corrosion Protection	Anti-Rust Oil Coating + Export Wooden Case

Applications

Please provide the following for a fast quotation:

Outer Diameter (OD) / Inner Diameter (ID) / Height (H)
Gear Type: Internal / External / No Gear
Quantity Required

Current bearing designation	Dimensions(mm)			weigh
Current bearing designation	d	D	T	(kg)
Type131
131.25.500	366	634	148	224
131.25.560	426	694	148	240
131.25.630	496	764	148	270
131.25.700	576	844	148	30O
131.32.800	636	964	182	500
131.32.900	736	1064	182	600
131.32.1000	836	1164	182	680
131.32.1120	950	1284	182	820
131.40.1250	1055	1445	220	1200
131.40.1400	1205	1595	220	1300
131.40.1600	1405	1795	220	1520
131.40.1800	1605	1995	220	1750
131.45.2000	1779	2221	231	2400
131.45.2000.04	1779	2304	231
131.45.2240	2019	2461	231	2700
131.45.2500	2279	2721	231	3000
131.45.2800	2579	3021	231	3400
131.50.3150.12K	2760.5,	3432	270	5174
131.50.3150	2826	32432	270	5000
131.30.3150.12K	2922	3476	182	2392
131.50.3550	3268	3832	270	5600
131.50.4000	3718	4282	270	6400
131.50.4000.04K	3718	4400	270	6377
131.50.4500	4218	4782	270	7100
131.50.4500.04	4218	4906	270	7250
131.60.5000.04	4670	5440	320	11752

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