U-1221-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/ Rollway/ OEM
Bearing Number: U-1221-B
Category: Cylindrical Roller Bearings
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Weight and Dimensions
Bore (B): 105 mm 4.1339 in
Outside Diameter (D): 190 mm 7.4803 in
Width (W): 36.0 mm 1.4173 in
Flange O.D Inner (Fi): 134.9 mm 5.3110 in
Flange O.D Inner (Ri): 126.5 mm 4.9803 in
Flange ID Outer (Fo): 161.0 mm 6.3386 in
Flange ID Outer (Ro): 168.5 mm 6.6339 in
Data from Rollway (medias)
Dynamic Capacity (C): 234599 N 52740 lbf
Static Capacity (Ca): 298342 N 67070 lbf
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
Rollway Cylindrical Roller Bearings Guide
Product Description
The Rollway U-1221-B Cylindrical Radial Roller Bearing features a non-separable design with a double-flanged inner ring, an outer ring with two retaining snap rings, crowned cylindrical rollers, and a precision-engineered retainer. Its hardened bearing-grade steel construction and precision-ground raceways provide high radial load capacity, while the crowned rollers help distribute loads evenly and reduce edge stresses. The design offers reliable radial support without carrying axial thrust loads, making it suitable for industrial gearboxes, pumps, and heavy-duty machinery requiring stable radial load support. The U-1221-B bearing meets the demanding requirements of the United States industrial market.
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