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

Product Overview

NSK Bearings Self-Aligning Ball Bearings 1313

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Self-Aligning Ball Bearings/Bearings

1313

Self-Aligning Ball Bearing (NSK Authorized Distributor, Taiwan)

Bore d65 mm
Width B33 mm

Product Features

NSK self-aligning ball bearing (1313 series), model 1313: 65 mm bore, 140 mm OD, 33 mm width, cylindrical bore (no K)
Basic dynamic load rating Cr 68.5 kN, basic static load rating C0r 22.9 kN (NSK official catalog CAT. No. E1103d)
Limiting speed approx. 4300 min⁻¹ (grease), 5300 min⁻¹ (oil)
Double-row balls on a spherical outer raceway self-align for shaft misalignment; lower friction and higher speed capability than a spherical roller bearing
Nahshon is NSK's authorized distributor in Taiwan — add the part number to your inquiry list

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Product Specifications

Specification	Unit	1313
Series	-	1313 series
Bore d	mm	65
Outer diameter D	mm	140
Width B	mm	33
Min. chamfer r	mm	2.1
Bore type	-	cylindrical bore (no K)
Basic dynamic load rating Cr	kN	68.5
Basic static load rating C0r	kN	22.9
Limiting speed (grease)	min⁻¹	4300
Limiting speed (oil)	min⁻¹	5300

Product Description

The 1313 is an NSK self-aligning ball bearing from the 1313 series: 65 mm bore, 140 mm outer diameter, 33 mm width, cylindrical bore (no K). Basic dynamic load rating Cr is 68.5 kN and basic static load rating C0r is 22.9 kN (NSK official catalog CAT. No. E1103d). Self-aligning ball bearings use double-row balls on a spherical outer raceway, self-aligning for minor shaft misalignment with lower friction and higher speed capability than a spherical roller bearing, at the cost of lower radial load capacity.

Inquiries & customization

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