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

NSK Bearings Spherical Roller Bearings 24138CE4

Product Overview

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Spherical Roller Bearings/Bearings

24138CE4

Spherical Roller Bearing

NSK Distributor Taiwan

Product Features

NSK spherical roller bearing 24138CE4: cylindrical bore, 190 mm bore, 320 mm outer diameter, 128 mm width, an NSKHPS(TM) high-capacity design with standard oil groove and holes
Basic dynamic load rating Cr 1710000 N, basic static load rating C0r 2330000 N (NSK official catalog CAT. No. E1103d)
Limiting speed approx. 850 min⁻¹ (grease), 1100 min⁻¹ (oil)
Series 241 belongs to the spherical roller bearing family alongside Nahshon's existing 213/222/223/230/231/232 series — double-row rollers with a spherical outer raceway self-align to absorb installation misalignment

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Product Description

The 24138CE4 is an NSK spherical roller bearing, series 241, cylindrical bore: 190 mm bore, 320 mm outer diameter, 128 mm width. Basic dynamic load rating Cr is 1710000 N and basic static load rating C0r is 2330000 N (NSK official catalog CAT. No. E1103d), an NSKHPS(TM) high-capacity design with standard oil groove and holes. The double-row roller and spherical outer raceway design automatically compensates for misalignment and shaft deflection while carrying high radial load plus bidirectional axial load. Commonly used in long-shaft drives, gearboxes, wind turbines, paper machines and heavy-duty industrial machinery.

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 24138CE4 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 24138CE4 to your inquiry list or give us a call, and we'll confirm stock, lead time and quote.