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

NSK Bearings Spherical Roller Bearings 22208K

Product Overview

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Spherical Roller Bearings/Bearings

22208K

Spherical Roller Bearing

Bore d40 mm
Width B23 mm

Product Features

NSK spherical roller bearing (22208 series), model 22208K: 40 mm bore, 80 mm OD, 23 mm width, tapered bore (K, 1:12 taper)
Basic dynamic load rating Cr 113 kN, basic static load rating C0r 99.5 kN (NSK official catalog; current-generation equivalent 22208EAKE4, Cr/C0r figures above are taken from that higher-capacity current design)
Thermal speed rating approx. 7100 min⁻¹, limiting speed (grease) approx. 6700 min⁻¹
Double-row rollers on a spherical outer raceway self-align for misalignment and shaft deflection — suited to long shafts and 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	22208K
Series	-	22208 series
Bore d	mm	40
Outer diameter D	mm	80
Width B	mm	23
Min. chamfer r	mm	1.1
Bore type	-	tapered bore (K, 1:12 taper)
Basic dynamic load rating Cr	kN	113
Basic static load rating C0r	kN	99.5
Thermal speed rating	min⁻¹	7100
Limiting speed (grease)	min⁻¹	6700

Product Description

The 22208K is an NSK spherical roller bearing from the 22208 series: 40 mm bore, 80 mm outer diameter, 23 mm width, tapered bore (K, 1:12 taper). Basic dynamic load rating Cr is 113 kN and basic static load rating C0r is 99.5 kN (NSK official catalog CAT. No. E1103d; current-generation equivalent 22208EAKE4, Cr/C0r figures above are taken from that higher-capacity current design). Spherical roller bearings use double-row rollers on a spherical outer raceway that self-aligns for misalignment and shaft deflection while carrying heavy radial and bidirectional axial loads — common in gear reducers, conveyor rollers, paper machinery and wind-turbine main shafts.

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.