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Product Series of Automation-Related Precision Ball Screws and Linear Rails – High-Precision Ball Screws

NSK Bearings Cylindrical Roller Bearings N310W

Product Overview

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Cylindrical Roller Bearings/Bearings

N310W

Cylindrical Roller Bearing

Bore d50 mm
Width B27 mm

Product Features

NSK cylindrical roller bearing (N310 series), model N310W: 50 mm bore, 110 mm OD, 27 mm width, N type, W pressed-steel cage
Basic dynamic load rating Cr 107 kN, basic static load rating C0r 86 kN (NSK official catalog)
Limiting speed approx. 4500 min⁻¹ (grease), 5600 min⁻¹ (oil)
no ribs on outer ring, two ribs on inner ring; outer ring can float axially, no axial load capacity; line contact between rollers and raceways gives high radial load capacity and low friction, suited to high-speed heavy-duty drives
Nahshon is NSK's distributor in Taiwan — add the part number to your inquiry list

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Product Specifications

Specification	Unit	N310W
Series	-	N310 series (N type)
Bore d	mm	50
Outer diameter D	mm	110
Width B	mm	27
Min. chamfer r	mm	2
Cage	-	W (pressed steel)
Basic dynamic load rating Cr	kN	107
Basic static load rating C0r	kN	86
Limiting speed (grease)	min⁻¹	4500
Limiting speed (oil)	min⁻¹	5600

Product Description

The N310W is an NSK cylindrical roller bearing from the N310 series (N type): 50 mm bore, 110 mm outer diameter, 27 mm width, W pressed-steel cage. Basic dynamic load rating Cr is 107 kN and basic static load rating C0r is 86 kN (NSK official catalog CAT. No. E1103d). Cylindrical roller bearings use line contact between rollers and raceways for high radial load capacity and low friction — suited to high-speed, heavy-duty drives such as gear reducers, motors and machine-tool spindles.

Inquiries & customization

Add this part number to your inquiry list — Nahshon is NSK's distributor in Taiwan and works directly with the factory to confirm specifications, stock and pricing.