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

NSK Bearings Spherical Roller Bearings 22212

Product Overview

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Spherical Roller Bearings/Bearings

22212

Spherical Roller Bearing

Bore d60 mm
Width B28 mm

Product Features

NSK spherical roller bearing (22212 series), model 22212: 60 mm bore, 110 mm OD, 28 mm width, cylindrical bore (no K)
Basic dynamic load rating Cr 178 kN, basic static load rating C0r 174 kN (NSK official catalog; current-generation equivalent 22212EAE4, Cr/C0r figures above are taken from that higher-capacity current design)
Thermal speed rating approx. 5300 min⁻¹, limiting speed (grease) approx. 4800 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	22212
Series	-	22212 series
Bore d	mm	60
Outer diameter D	mm	110
Width B	mm	28
Min. chamfer r	mm	1.5
Bore type	-	cylindrical bore (no K)
Basic dynamic load rating Cr	kN	178
Basic static load rating C0r	kN	174
Thermal speed rating	min⁻¹	5300
Limiting speed (grease)	min⁻¹	4800

Product Description

The 22212 is an NSK spherical roller bearing from the 22212 series: 60 mm bore, 110 mm outer diameter, 28 mm width, cylindrical bore (no K). Basic dynamic load rating Cr is 178 kN and basic static load rating C0r is 174 kN (NSK official catalog CAT. No. E1103d; current-generation equivalent 22212EAE4, 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.