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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 6909

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Deep Groove Ball Bearings/Bearings

6909

Deep Groove Ball Bearing (NSK Authorized Distributor, Taiwan)

Bore d45 mm
Width B12 mm

Product Features

NSK deep groove ball bearing (6909 series), model 6909: 45 mm bore, 68 mm outer diameter, 12 mm width, open type (no shield, no seal)
Basic dynamic load rating Cr 15.5 kN, basic static load rating C0r 10.9 kN (NSK official catalog CAT. No. E1103d)
Limiting speed approx. 9500 min⁻¹ (grease), 12000 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	6909
Series	-	6909 series
Bore d	mm	45
Outer diameter D	mm	68
Width B	mm	12
Min. chamfer r	mm	0.6
Seal / shield	-	open type (no shield, no seal)
Basic dynamic load rating Cr	kN	15.5
Basic static load rating C0r	kN	10.9
Limiting speed (grease)	min⁻¹	9500
Limiting speed (oil)	min⁻¹	12000

Product Description

The 6909 is an NSK deep groove ball bearing from the 6909 series: 45 mm bore, 68 mm outer diameter, 12 mm width, open type (no shield, no seal). Basic dynamic load rating Cr is 15.5 kN and basic static load rating C0r is 10.9 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.