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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 6911

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Deep Groove Ball Bearings/Bearings

6911

Deep Groove Ball Bearing (NSK Authorized Distributor, Taiwan)

Bore d55 mm
Width B13 mm

Product Features

NSK deep groove ball bearing (6911 series), model 6911: 55 mm bore, 80 mm outer diameter, 13 mm width, open type (no shield, no seal)
Basic dynamic load rating Cr 17.6 kN, basic static load rating C0r 13.3 kN (NSK official catalog CAT. No. E1103d)
Limiting speed approx. 8000 min⁻¹ (grease), 9500 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	6911
Series	-	6911 series
Bore d	mm	55
Outer diameter D	mm	80
Width B	mm	13
Min. chamfer r	mm	1
Seal / shield	-	open type (no shield, no seal)
Basic dynamic load rating Cr	kN	17.6
Basic static load rating C0r	kN	13.3
Limiting speed (grease)	min⁻¹	8000
Limiting speed (oil)	min⁻¹	9500

Product Description

The 6911 is an NSK deep groove ball bearing from the 6911 series: 55 mm bore, 80 mm outer diameter, 13 mm width, open type (no shield, no seal). Basic dynamic load rating Cr is 17.6 kN and basic static load rating C0r is 13.3 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.