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

Product Overview

NSK Bearings Deep Groove Ball Bearings 6211

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Deep Groove Ball Bearings/Bearings

6211

Deep Groove Ball Bearing (NSK Authorized Distributor, Taiwan)

Bore d55 mm
Width B21 mm

Product Features

NSK deep groove ball bearing (6211 series), model 6211: 55 mm bore, 100 mm outer diameter, 21 mm width, open type (no shield, no seal)
Basic dynamic load rating Cr 47.5 kN, basic static load rating C0r 29.3 kN (NSK official catalog CAT. No. E1103d)
Limiting speed approx. 7500 min⁻¹ (grease), 9000 min⁻¹ (oil)
Simple, low-friction, high-speed design carrying radial load plus moderate bidirectional axial load — the most widely used bearing type
Nahshon is NSK's authorized distributor in Taiwan — add the part number to your inquiry list for a direct quote

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Product Specifications

Specification	Unit	6211
Series	-	6211 series
Bore d	mm	55
Outer diameter D	mm	100
Width B	mm	21
Min. chamfer r	mm	1.5
Seal / shield	-	open type (no shield, no seal)
Basic dynamic load rating Cr	kN	47.5
Basic static load rating C0r	kN	29.3
Limiting speed (grease)	min⁻¹	7500
Limiting speed (oil)	min⁻¹	9000

Product Description

The 6211 is an NSK deep groove ball bearing from the 6211 series: 55 mm bore, 100 mm outer diameter, 21 mm width, open type (no shield, no seal). Basic dynamic load rating Cr is 47.5 kN and basic static load rating C0r is 29.3 kN (NSK official catalog CAT. No. E1103d). Deep groove ball bearings are simple, low-friction and capable of high speeds while carrying both radial and moderate bidirectional axial loads — the most widely used bearing type, common in motors, gear reducers, pumps, fans and general machinery.

Inquiries & customization

Add this part number to your inquiry list — Nahshon is NSK's authorized distributor in Taiwan and works directly with the factory to confirm specifications, stock and pricing.