Spherical Roller Bearing 238/630 239/630 230/630 240/630 231/630 241/630 238/670 239/670 230/670 240/670 241/670 232/670 239/710 230/710 240/710 231/710

• Customization: Available
• Vibration: Zv1 Zv2 Zv3
• Hardness: HRC60--62
• Model NO.: 238/630 239/630 230/630
• Cage: Steel Nylon Brass
• Material: Chrome Steel Gcr15
• Service: OEM
• Grease: Sheel Great Wall
• Precision: P0 P6 P5
• Package: Industry or Single Box
• Transport Package: Industry or Single Box
• Specification: Standard
• Trademark: UJK
• Origin: China
• HS Code: 84821020
• Production Capacity: 100000

Product Description

  

Product Description

Designation	Bore diameter	Outside diameter	Width
UJK	[mm]	[mm]	[mm]
238/630 CAMA/W20	630	780	112
238/630 CAMA/C3W20	630	780	112
239/630 CA/W33	630	850	165
239/630 CAK/C083W33	630	850	165
239/630 CAK/W33	630	850	165
239/630 CA/C08W509	630	850	165
239/630 CAK/C083W507	630	850	165
239/630 CAK/C08W507	630	850	165
239/630 CAK/C3W33	630	850	165
230/630 CAK/C08W507	630	920	212
230/630 CA/W33	630	920	212
230/630 CA/C08W507	630	920	212
230/630 CAK/HA3C084W507X	630	920	212
230/630 CAK/W33	630	920	212
230/630 CA/W33RE10	630	920	212
230/630 CAK/C08W33	630	920	212
230/630 CA/C08W509	630	920	212
230/630 CA/C3W33	630	920	212
230/630 CAK/C083W507	630	920	212
230/630 CAK/C083W33	630	920	212
240/630 BCK30	630	920	290
240/630 BC	630	920	290
231/630 CAK/HA3C4W33	630	1 030	315
231/630 CAK/W33	630	1 030	315
231/630 CAK/C3W33	630	1 030	315
231/630 CA/W33	630	1 030	315
231/630 CAK/HA3C084W33	630	1 030	315
241/630 ECA/W33	630	1 030	400
241/630 ECAK30/W33	630	1 030	400
241/630-2CS5K30/C3HGEA8	630	1 030	400
238/670 CAMA/W20	670	820	112
239/670 CA/C08W513	670	900	170
239/670 CAK/C083W507	670	900	170
239/670 CAK/W33	670	900	170
239/670 CA/C3W33	670	900	170
239/670 CA/W33VQ424	670	900	170
239/670 CAK/C08W507	670	900	170
239/670 CAK/C3W33	670	900	170
239/670 CA/W33	670	900	170
230/670 CA/W33	670	980	230
230/670 CAK/C3W33	670	980	230
230/670 CAK/HA3C084W507	670	980	230
230/670 CAK/C083W506	670	980	230
230/670 CAK/C083W507	670	980	230
230/670 CAK/HA3C083W507	670	980	230
230/670 CAK/W33	670	980	230
230/670 CA/C3W33	670	980	230
240/670 BC	670	980	308
240/670 ECA/W33	670	980	308
240/670 ECAK30/W33	670	980	308
231/670 CA/W33	670	1 090	336
231/670 CAK/W33	670	1 090	336
231/670 CAK/C08W507X	670	1 090	336
241/670-2CS5K30/C3HGEA8	670	1 090	412
241/670 ECA/W33	670	1 090	412
241/670 ECAK30/W33	670	1 090	412
241/670 ECAK30/C3W33	670	1 090	412
232/670-2CS5K/VT143	670	1 220	438
232/670 CAK/C3W33	670	1 220	438
232/670 CAK/W33	670	1 220	438
232/670 CA/C3W33	670	1 220	438
239/710 CAK/W33	710	950	180
239/710 CA/W33	710	950	180
239/710 CAK/C08W33	710	950	180
239/710 CAK/HA3C083W507	710	950	180
239/710 CAK/C08W507	710	950	180
239/710 CAK/C083W507	710	950	180
239/710 CA/C083W509	710	950	180
239/710 CAK/HA3C08W507	710	950	180
239/710 CA/C3W33	710	950	180
230/710 CA/W33	710	1 030	236
230/710 CAK/C083W507	710	1 030	236
230/710 CAK/W33	710	1 030	236
230/710 CAK/C08W507	710	1 030	236
249/710 CA/W33	710	950	243
240/710 ECAK30/C3W33	710	1 030	315
240/710 ECA/W33	710	1 030	315
240/710 ECAK30/W33	710	1 030	315
240/710 BC	710	1 030	315
231/710 CA/W33	710	1 150	345
231/710 CAK/C4W33	710	1 150	345
231/710 CAK/W33	710	1 150	345

UJK Spherical Roller Bearings: High-Capacity Performance for Demanding & Misaligned Applications

UJK Spherical Roller Bearings are engineered to deliver exceptional durability and reliable performance in the toughest industrial environments. Designed specifically to handle heavy radial loads, moderate axial loads, and significant shaft misalignment, these bearings are the robust solution where high load capacity and operational resilience are critical.

Key Features & Advantages:

1. Exceptional Load Capacity: Features a double row of symmetrical, barrel-shaped rollers and a common spherical outer ring raceway. This design enables outstanding radial load handling and bidirectional axial load capacity-far exceeding that of self-aligning ball bearings.

2. Superior Misalignment Compensation: Inherently self-aligning, accommodating static and dynamic misalignment (±1.5° to ±2.5° typically) between shaft and housing. This protects against edge loading, reduces vibration, and extends service life in applications prone to shaft deflection or housing inaccuracies.

3. Optimized Stress Distribution: The curved profile of the rollers and spherical outer raceway promotes optimal load distribution across the rollers, minimizing stress concentrations and enhancing fatigue life.

4. Robust Construction & Reliability: Manufactured from high-purity, through-hardened bearing steel with advanced heat treatment. Precision grinding ensures smooth operation, high wear resistance, and resilience against shock loads and contaminants (especially with reinforced cage designs).

5. Versatile Cage Options: Available with pressed steel cages (standard) or machined brass/steel cages for higher speeds, temperatures, or harsh environments.

6. Low Friction & High Efficiency: Optimized internal geometry and premium lubrication compatibility reduce friction, lower operating temperatures, and improve energy efficiency.

7. Long Service Life & Reduced Downtime: Engineered for maximum operational reliability and extended maintenance intervals, lowering total cost of ownership.

Typical Applications:

• Heavy-Duty Gearboxes & Industrial Gear Units

• Mining & Mineral Processing Equipment (Crushers, Screens, Conveyors)

• Material Handling Systems (Cranes, Hoists, Bulk Handling)

• Pulp & Paper Machinery (Rolls, Refiners)

• Fans, Blowers & Large Ventilation Systems

• Pumps & Compressors

• Construction & Agricultural Machinery

• Marine & Offshore Equipment

UJK Commitment to Quality:
UJK Spherical Roller Bearings are manufactured to stringent international standards (ISO 15:2011). Rigorous quality control ensures precise dimensional accuracy, consistent performance, and reliable operation under extreme conditions. They are available in a wide range of standard sizes and configurations (open, sealed, shielded).

Choose UJK Spherical Roller Bearings for:

• Maximum Load Capacity in radial and axial directions.

• Uncompromised Reliability in misaligned or harsh environments.

• Extended Bearing Life reducing maintenance costs.

• Superior Performance in the most demanding industrial applications.

    

Types Of Spherical Roller Bearings For Spherical Roller Bearings, the dimensional series are:
21300 Series - ISO Dimension Series 13 Spherical Roller Bearings
22200 Series - ISO Dimension Series 22 Spherical Roller Bearings
22300 Series - ISO Dimension Series 23 Spherical Roller Bearings
23000 Series - ISO Dimension Series 30 Spherical Roller Bearings
23100 Series - ISO Dimension Series 31 Spherical Roller Bearings
23200 Series - ISO Dimension Series 32 Spherical Roller Bearings
232 /  Series - Extra Large ISO 32 Series Spherical Roller Bearing
23900 Series - ISO Dimension Series 39 Spherical Roller Bearings
24000 Series - ISO Dimension Series 40 Spherical Roller Bearings
24100 Series - ISO Dimension Series 41 Spherical Roller Bearings