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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 6318

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Deep Groove Ball Bearings/Bearings

6318

Deep Groove Ball Bearing (NSK Authorized Distributor, Taiwan)

Bore d90 mm
Width B43 mm

Product Features

NSK deep groove ball bearing (6318 series), model 6318: 90 mm bore, 190 mm outer diameter, 43 mm width, open type (no shield, no seal)
Basic dynamic load rating Cr 157 kN, basic static load rating C0r 107 kN (NSK official catalog CAT. No. E1103d)
Limiting speed approx. 4000 min⁻¹ (grease), 4800 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	6318
Series	-	6318 series
Bore d	mm	90
Outer diameter D	mm	190
Width B	mm	43
Min. chamfer r	mm	3
Seal / shield	-	open type (no shield, no seal)
Basic dynamic load rating Cr	kN	157
Basic static load rating C0r	kN	107
Limiting speed (grease)	min⁻¹	4000
Limiting speed (oil)	min⁻¹	4800

Product Description

The 6318 is an NSK deep groove ball bearing from the 6318 series: 90 mm bore, 190 mm outer diameter, 43 mm width, open type (no shield, no seal). Basic dynamic load rating Cr is 157 kN and basic static load rating C0r is 107 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.