NUP321E
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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: NUP321E
Category: Cylindrical Roller Bearings
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Weight and Dimensions
Bore (B): 105 mm 4.1339 in
Outside Diameter (D): 225 mm 8.8583 in
Width (W): 49.0 mm 1.9291 in
Flange O.D Inner (Fi): 146.6 mm 5.7717 in
Flange O.D Inner (Ri): 132.9 mm 5.2323 in
Flange ID Outer (Fo): 187.4 mm 7.3780 in
Flange ID Outer (Ri): 200.9 mm 7.9094 in
Data from Rollway (medias)
Dynamic Capacity (C): 436637 N 98160 lbf
Static Capacity (Ca): 499224 N 112230 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 NUP321E Cylindrical Radial Roller Bearing features a separable two-piece inner ring with a removable flange plate, a double-flanged outer ring, crowned cylindrical rollers, and a precision-engineered retainer. Manufactured from through-hardened bearing-grade steel, its precision-ground raceways and crowned rollers provide high radial load capacity while reducing edge stresses. The four-flange design ensures axial location in both directions and supports light axial loads, offering stable performance under demanding operating conditions. The NUP321E bearing is suitable for industrial gearboxes, pumps, and heavy-duty machinery requiring combined radial support and axial positioning, meeting the demanding requirements of the United States industrial market.
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