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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 6809

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Deep Groove Ball Bearings/Bearings

6809

Deep Groove Ball Bearing (NSK Authorized Distributor, Taiwan)

Bore d45 mm
Width B7 mm

Product Features

NSK deep groove ball bearing (6809 series), model 6809: 45 mm bore, 58 mm outer diameter, 7 mm width, open type (no shield, no seal)
Basic dynamic load rating Cr 7.25 kN, basic static load rating C0r 6.15 kN (NSK official catalog CAT. No. E1103d)
Limiting speed approx. 11000 min⁻¹ (grease), 13000 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	6809
Series	-	6809 series
Bore d	mm	45
Outer diameter D	mm	58
Width B	mm	7
Min. chamfer r	mm	0.3
Seal / shield	-	open type (no shield, no seal)
Basic dynamic load rating Cr	kN	7.25
Basic static load rating C0r	kN	6.15
Limiting speed (grease)	min⁻¹	11000
Limiting speed (oil)	min⁻¹	13000

Product Description

The 6809 is an NSK deep groove ball bearing from the 6809 series: 45 mm bore, 58 mm outer diameter, 7 mm width, open type (no shield, no seal). Basic dynamic load rating Cr is 7.25 kN and basic static load rating C0r is 6.15 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.