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

NSK Bearings Tapered Roller Bearings 30212

Product Overview

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Tapered Roller Bearings/Bearings

30212

Tapered Roller Bearing

Bore d60 mm
Width T23.75 mm

Product Features

NSK tapered roller bearing (30212 series), model 30212: 60 mm bore, 110 mm OD, 23.75 mm width
Basic dynamic load rating Cr 127 kN, basic static load rating C0r 123 kN (NSK official catalog; current-generation equivalent HR30212J, Cr/C0r figures above are taken from that current design)
Limiting speed approx. 3400 min⁻¹ (grease), 4500 min⁻¹ (oil)
Carries combined radial load and axial load in one direction; inner and outer rings are separable for easy mounting and service
Nahshon is NSK's distributor in Taiwan — add the part number to your inquiry list

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Product Specifications

Specification	Unit	30212
Series	-	30212 series
Bore d	mm	60
Outer diameter D	mm	110
Width T	mm	23.75
Min. chamfer r	mm	2
Basic dynamic load rating Cr	kN	127
Basic static load rating C0r	kN	123
Limiting speed (grease)	min⁻¹	3400
Limiting speed (oil)	min⁻¹	4500

Product Description

The 30212 is an NSK tapered roller bearing from the 30212 series: 60 mm bore, 110 mm outer diameter, 23.75 mm width. Tapered roller bearings use a tapered inner ring, rollers and outer raceway so a single bearing carries combined radial load and axial load in one direction; inner and outer rings are separable, giving flexible mounting and clearance adjustment. Basic dynamic load rating Cr is 127 kN and basic static load rating C0r is 123 kN (NSK official catalog CAT. No. E1103d; current-generation equivalent HR30212J, Cr/C0r figures above are taken from that current design).

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.