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

NSK Bearings Tapered Roller Bearings HR32936J

Product Overview

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Tapered Roller Bearings/Bearings

HR32936J

HR Series High-Capacity Tapered Roller Bearing

NSK Distributor Taiwan

Product Features

NSK HR series high-capacity tapered roller bearing, model HR32936J: 180 mm bore, 250 mm outer diameter, 45 mm width
Basic dynamic load rating Cr 435000 N, basic static load rating C0r 685000 N (NSK official catalog CAT. No. E1103d)
Limiting speed approx. 1300 min⁻¹ (grease), 1700 min⁻¹ (oil)
HR series conforms to ISO specifications for outer ring back face raceway diameter, width and contact angle, allowing international interchangeability — suited to machine tools, gearboxes and other heavy-duty drives

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Product Description

The HR32936J is an NSK HR series high-capacity tapered roller bearing: 180 mm bore, 250 mm outer diameter, 45 mm width. Basic dynamic load rating Cr is 435000 N and basic static load rating C0r is 685000 N (NSK official catalog CAT. No. E1103d). The HR series carries a J suffix and conforms to ISO specifications for outer ring back face raceway diameter, width and contact angle, allowing international interchangeability of inner ring assembly and outer ring — offering higher load capacity than standard tapered roller bearings of the same size. Commonly used in machine tool spindles, gearboxes and rolling mills, typically paired (back-to-back DB or face-to-face DF arrangement).

For current spec and catalog cross-reference, please inquire: Nahshon is NSK's distributor in Taiwan with full part-number lookup and sourcing support — add the part number to your inquiry list and we will confirm the current code, spec and quote with the factory; sourcing support is also available for discontinued models.

FAQ

What's the difference between the Z, ZZ and DDU suffixes?

Z means a single-side steel shield, ZZ means steel shields on both sides, and DDU means contact rubber seals on both sides. Shields suit general environments and high speeds; rubber seals give better dust and water protection with slightly higher friction torque — choose based on your dust exposure and lubrication method.

When should I choose C3 clearance instead of standard clearance?

For motors or other applications with noticeable temperature rise, or high-speed operation, the inner ring expands from heat and reduces the clearance — choose C3 in that case. Standard clearance is fine for general room-temperature, low-speed use. See Nahshon's technical resources for a clearance selection guide.

Is HR32936J in stock in Taiwan? What is the lead time?

Nahshon is the NSK distributor in Taiwan and keeps stock of some commonly used items. Add HR32936J to your inquiry list or give us a call, and we'll confirm stock, lead time and quote.