645 / 632-B
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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: 645 / 632-B
Category: Tapered Roller Bearings
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Weight and Dimensions
Bore (d): 71.437 mm 2.8125 in
Outer (D): 136.525 mm 5.3750 in
Width (T1): 16.662 mm 0.6560 in
Width (B): 41.275 mm 1.4240 in
Width (C): 31.750 mm 1.2500 in
Weight: 2.61 kg
Data from Timken (medias)
Dynamic Radial Load Rating – 1M Revs (C1): 276000 N
Dynamic Radial Load Rating – 90M Revs (C90) : 71600 N
Dynamic Axial Rating – 90M Revs (Ca90): 44400 N
Static Radial Load Rating (C0): 298000 N
e Factor: 0.36
K Factor: 1.61
Y Factor: 1.66
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 Tapered Roller Bearings Guide
Product description
The 645 / 632-B Timken TSF tapered roller bearing features a single-row tapered roller bearing design with a flanged outer ring. The flange provides accurate axial positioning of the outer ring within the housing, while through-bored housing designs help achieve precise alignment of the bearing seats. This configuration simplifies installation and improves mounting stability in applications requiring reliable positioning and consistent operating performance.
The 645 / 632-B TSF bearing is widely used in industrial equipment, gearboxes, agricultural machinery, construction machinery, and other applications where accurate bearing location, reliable load support, and long service life are required.
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