239/630 YMB
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All Data Sourced from Official Brands
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Brand Alternative Bearings with Identical Specifications
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Customized Bearing Solutions Based on Parameters
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Fast Quotation Response
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OEM and Flexible Order Quantities Supported
Specifications
Availability: 100 PCS
Brand: HSN/ TIMKEN/ OEM
Bearing Number: 239/630 YMB
Category: Spherical Roller Bearings
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Weight and Dimensions
Bore (d): 630 mm 24.8031 in
Outer (D): 850 mm 33.4646 in
Width (B): 165 mm 6.4961 in
Weight: 267.6 kg
Data from Timken (medias)
Dynamic Radial Load Rating (C) : 4740 KN
Static Radial Load Rating (C0): 10100 KN
Thermal Reference Speed – Oil: 440 RPM
Thermal Reference Speed – Grease: 380 RPM
Limiting Speed: 790 RPM
e Factor: 0.17
Product Properties
Precision: P0, P6, P5
Hardness: HRC58-62
Ring Material: GCr15, GCr15SiMn, 100CrMnSi6-4, etc.
Cage Material: Brass, Steel
Certificate: ISO9001:2015
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Downloads & Links
Timken Spherical Roller Bearings Guide
Product Description
The 239/630 YMB Timken spherical roller bearing consists of an inner ring, an outer ring, two rows of spherical rollers, and a one-piece, inner-ring-piloted, machined-brass cage. This configuration provides high radial load capacity, bidirectional axial load support, and self-aligning capability to accommodate shaft deflection and misalignment. The high-performance machined-brass cage guided by the inner ring provides excellent strength, wear resistance, and reliable roller guidance, helping maintain stable operation under heavy loads, shock conditions, and demanding operating environments.
The 239/630 YMB bearing is widely used in mining equipment, crushers, conveyors, industrial gearboxes, rolling mills, and heavy-duty machinery. It is particularly suitable for applications requiring high load capacity, misalignment compensation, reliable roller control, and long service life under continuous or severe operating conditions.
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