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

NSK Bearings Tapered Roller Bearings 30204

Product Overview

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Tapered Roller Bearings/Bearings

30204

Tapered Roller Bearing

Bore d20 mm
Width T15.25 mm

Product Features

NSK tapered roller bearing (30204 series), model 30204: 20 mm bore, 47 mm OD, 15.25 mm width
Basic dynamic load rating Cr 34.5 kN, basic static load rating C0r 28.5 kN (NSK official catalog; current-generation equivalent HR30204J, Cr/C0r figures above are taken from that current design)
Limiting speed approx. 8000 min⁻¹ (grease), 11000 min⁻¹ (oil)
Carries combined radial load and axial load in one direction; inner and outer rings are separable for easy mounting and service
Nahshon is NSK's distributor in Taiwan — add the part number to your inquiry list

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Product Specifications

Specification	Unit	30204
Series	-	30204 series
Bore d	mm	20
Outer diameter D	mm	47
Width T	mm	15.25
Min. chamfer r	mm	1
Basic dynamic load rating Cr	kN	34.5
Basic static load rating C0r	kN	28.5
Limiting speed (grease)	min⁻¹	8000
Limiting speed (oil)	min⁻¹	11000

Product Description

The 30204 is an NSK tapered roller bearing from the 30204 series: 20 mm bore, 47 mm outer diameter, 15.25 mm width. Tapered roller bearings use a tapered inner ring, rollers and outer raceway so a single bearing carries combined radial load and axial load in one direction; inner and outer rings are separable, giving flexible mounting and clearance adjustment. Basic dynamic load rating Cr is 34.5 kN and basic static load rating C0r is 28.5 kN (NSK official catalog CAT. No. E1103d; current-generation equivalent HR30204J, Cr/C0r figures above are taken from that current design).

Inquiries & customization

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