NP281701 / NP289130 / NP281709
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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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OEM and Flexible Order Quantities Supported
Specifications
Availability: 100 PCS
Brand: HSN/ Timken/ OEM
Bearing Number: NP281701 / NP289130 / NP281709
Category: Tapered Roller Bearings
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Weight and Dimensions
Bore (d): 500 mm 19.6850 in
Outside Diameter (D): 830 mm 32.6772 in
Width Over Cups (T): 568.5 mm 22.3819 in
Width Over Cones (B): 568.5 mm 22.3819 in
Weight: 1385 KG 3053 lbs
Data from Timken (medias)
Dynamic Radial Load Rating (C1-4 row): 16040 KN 3600000 lbf
Dynamic Radial Load Rating (C90): 1190 KN 269000 lbf
Dynamic Radial Load Rating (C90-4 row): 4160 KN 936000 lbf
Dynamic Axial Load Rating (Ca90): 718 KN 161000 lbf
e Factor: 0.35
Y1 Factor: 1.92
Y2 Factor: 2.85
K 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 Timken NP281701 / NP289130 / NP281709 four-row tapered roller bearing features a TQOW configuration consisting of two double cones, four rows of tapered rollers and cages, one cone spacer, two single cups, two cup spacers, and one double cup. This design provides high radial and axial load capacity, excellent rigidity, and reliable stability under heavy combined loads. Lubrication slots on the cone faces facilitate lubricant distribution, while the hardened cone spacer helps minimize face wear and supports long-term bearing performance.
The Timken NP281701 / NP289130 / NP281709 bearing is designed for rolling mill roll-neck applications, including work rolls, intermediate rolls, and backup rolls in flat product mills, as well as work rolls in long product mills. Its robust four-row construction supports heavy rolling loads, stable roll positioning, and consistent performance under demanding operating conditions. HSN provides replacement bearing solutions for United States steel mills, OEM equipment manufacturers, and industrial distributors seeking alternatives to Timken NP281701 / NP289130 / NP281709 bearings.
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