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

NSK Bearings Spherical Roller Bearings 23220K

Product Overview

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Spherical Roller Bearings/Bearings

23220K

Spherical Roller Bearing

Bore d100 mm
Width B60.3 mm

Product Features

NSK spherical roller bearing (23220 series), model 23220K: 100 mm bore, 180 mm OD, 60.3 mm width, tapered bore (K, 1:12 taper)
Basic dynamic load rating Cr 525 kN, basic static load rating C0r 605 kN (NSK official catalog; current-generation equivalent 23220CKE4, Cr/C0r figures above are taken from that higher-capacity current design)
Thermal speed rating approx. 2800 min⁻¹, limiting speed (grease) approx. 1600 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	23220K
Series	-	23220 series
Bore d	mm	100
Outer diameter D	mm	180
Width B	mm	60.3
Min. chamfer r	mm	2.1
Bore type	-	tapered bore (K, 1:12 taper)
Basic dynamic load rating Cr	kN	525
Basic static load rating C0r	kN	605
Thermal speed rating	min⁻¹	2800
Limiting speed (grease)	min⁻¹	1600

Product Description

The 23220K is an NSK spherical roller bearing from the 23220 series: 100 mm bore, 180 mm outer diameter, 60.3 mm width, tapered bore (K, 1:12 taper). Basic dynamic load rating Cr is 525 kN and basic static load rating C0r is 605 kN (NSK official catalog CAT. No. E1103d; current-generation equivalent 23220CKE4, 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.