U-1311-E
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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: N308E
Category: Cylindrical Roller Bearings
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Weight and Dimensions
Bore (B): 40 mm 1.5748 in
Outside Diameter (D): 90 mm 3.5433 in
Width (W): 23 mm 0.9055 in
Flange O.D Inner (Fi): 57.7 mm 2.2717 in
Flange O.D Inner (Ri): 52 mm 2.0472 in
Flange ID Outer (Fo): 74.4 mm 2.9291 in
Flange ID Outer (Ri): 80 mm 3.1496 mm
Data from Rollway (medias)
Dynamic Capacity (C): 82292 N 18500 lbf
Static Capacity (Ca): 81002 N 18210 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 N308E Cylindrical Radial Roller Bearing features a separable straight outer ring, a double-flanged inner ring, crowned cylindrical rollers, and a precision-engineered retainer. Manufactured from hardened bearing-grade steel, its precision-ground raceways and crowned rollers provide high radial load capacity while helping reduce edge stresses. The design allows axial displacement in both directions to accommodate shaft expansion, while the roller assembly remains with the inner ring for easier installation. The N308E bearing is suitable for industrial gearboxes, pumps, and heavy-duty machinery requiring reliable radial support and axial flexibility, meeting the demanding requirements of the United States industrial market.
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