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

NSK Bearings Self-Aligning Ball Bearings 2309K

Product Overview

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Self-Aligning Ball Bearings/Bearings

2309K

Self-Aligning Ball Bearing

Bore d45 mm
Width B36 mm

Product Features

NSK self-aligning ball bearing (2309 series), model 2309K: 45 mm bore, 100 mm OD, 36 mm width, tapered bore (K, 1:12 taper)
Basic dynamic load rating Cr 60.5 kN, basic static load rating C0r 16.7 kN (NSK official catalog CAT. No. E1103d)
Limiting speed approx. 5600 min⁻¹ (grease), 7100 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 distributor in Taiwan — add the part number to your inquiry list

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Product Specifications

Specification	Unit	2309K
Series	-	2309 series
Bore d	mm	45
Outer diameter D	mm	100
Width B	mm	36
Min. chamfer r	mm	1.5
Bore type	-	tapered bore (K, 1:12 taper)
Basic dynamic load rating Cr	kN	60.5
Basic static load rating C0r	kN	16.7
Limiting speed (grease)	min⁻¹	5600
Limiting speed (oil)	min⁻¹	7100

Product Description

The 2309K is an NSK self-aligning ball bearing from the 2309 series: 45 mm bore, 100 mm outer diameter, 36 mm width, tapered bore (K, 1:12 taper). Basic dynamic load rating Cr is 60.5 kN and basic static load rating C0r is 16.7 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 distributor in Taiwan and works directly with the factory to confirm specifications, stock and pricing.