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

NSK Bearings Tapered Roller Bearings 30303D

Product Overview

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Tapered Roller Bearings/Bearings

30303D

Tapered Roller Bearing

Bore d17 mm
Width T15.25 mm

Product Features

NSK tapered roller bearing (30303 series), model 30303D: 17 mm bore, 47 mm OD, 15.25 mm width
Basic dynamic load rating Cr 27 kN, basic static load rating C0r 20.3 kN (NSK official catalog)
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	30303D
Series	-	30303 series
Bore d	mm	17
Outer diameter D	mm	47
Width T	mm	15.25
Min. chamfer r	mm	1
Basic dynamic load rating Cr	kN	27
Basic static load rating C0r	kN	20.3
Limiting speed (grease)	min⁻¹	8000
Limiting speed (oil)	min⁻¹	11000

Product Description

The 30303D is an NSK tapered roller bearing from the 30303 series: 17 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 27 kN and basic static load rating C0r is 20.3 kN (NSK official catalog CAT. No. E1103d).

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.