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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 1306

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Self-Aligning Ball Bearings/Bearings

1306

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

Bore d30 mm
Width B19 mm

Product Features

NSK self-aligning ball bearing (1306 series), model 1306: 30 mm bore, 72 mm OD, 19 mm width, cylindrical bore (no K)
Basic dynamic load rating Cr 23.6 kN, basic static load rating C0r 6.3 kN (NSK official catalog CAT. No. E1103d)
Limiting speed approx. 8500 min⁻¹ (grease), 11000 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	1306
Series	-	1306 series
Bore d	mm	30
Outer diameter D	mm	72
Width B	mm	19
Min. chamfer r	mm	1.1
Bore type	-	cylindrical bore (no K)
Basic dynamic load rating Cr	kN	23.6
Basic static load rating C0r	kN	6.3
Limiting speed (grease)	min⁻¹	8500
Limiting speed (oil)	min⁻¹	11000

Product Description

The 1306 is an NSK self-aligning ball bearing from the 1306 series: 30 mm bore, 72 mm outer diameter, 19 mm width, cylindrical bore (no K). Basic dynamic load rating Cr is 23.6 kN and basic static load rating C0r is 6.3 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.