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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 1305

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Self-Aligning Ball Bearings/Bearings

1305

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

Bore d25 mm
Width B17 mm

Product Features

NSK self-aligning ball bearing (1305 series), model 1305: 25 mm bore, 62 mm OD, 17 mm width, cylindrical bore (no K)
Basic dynamic load rating Cr 20 kN, basic static load rating C0r 5 kN (NSK official catalog CAT. No. E1103d)
Limiting speed approx. 10000 min⁻¹ (grease), 13000 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	1305
Series	-	1305 series
Bore d	mm	25
Outer diameter D	mm	62
Width B	mm	17
Min. chamfer r	mm	1.1
Bore type	-	cylindrical bore (no K)
Basic dynamic load rating Cr	kN	20
Basic static load rating C0r	kN	5
Limiting speed (grease)	min⁻¹	10000
Limiting speed (oil)	min⁻¹	13000

Product Description

The 1305 is an NSK self-aligning ball bearing from the 1305 series: 25 mm bore, 62 mm outer diameter, 17 mm width, cylindrical bore (no K). Basic dynamic load rating Cr is 20 kN and basic static load rating C0r is 5 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.