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

NSK Bearings Inch Series Tapered Roller Bearings L44640/L44610

Product Overview

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Inch Series Tapered Roller Bearings/Bearings

L44640/L44610

Inch Series Tapered Roller Bearing

NSK Distributor Taiwan

Product Features

NSK inch series tapered roller bearing set L44640/L44610 (cone L44640 / cup L44610): 23.812 mm bore, 50.292 mm outer diameter, 14.224 mm width
Basic dynamic load rating Cr 34000 N, basic static load rating C0r 32000 N (NSK official catalog CAT. No. E1103d)
Limiting speed approx. 7100 min⁻¹ (grease), 10000 min⁻¹ (oil)
Inch series tapered roller bearings supply cone (inner ring assembly) and cup (outer ring) separately and interchangeably — commonly used in agricultural and construction machinery and conveying equipment, cross-compatible with Timken-style designations

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Product Description

L44640/L44610 is an NSK inch series tapered roller bearing set: cone (inner ring assembly) L44640 and cup (outer ring) L44610, 23.812 mm bore, 50.292 mm outer diameter, 14.224 mm width. Basic dynamic load rating Cr is 34000 N and basic static load rating C0r is 32000 N (NSK official catalog CAT. No. E1103d). Cone and cup are supplied and replaceable separately, with a dimension system compatible with Timken-style designations — commonly used in agricultural machinery, construction equipment and conveying systems requiring combined radial and unidirectional axial load capacity.

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 L44640/L44610 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 L44640/L44610 to your inquiry list or give us a call, and we'll confirm stock, lead time and quote.