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

Product Overview

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Thrust Bearings/Bearings

52202

Double-Direction Thrust Ball Bearing

NSK Distributor Taiwan

Product Features

NSK double-direction thrust ball bearing 52202 (flat seat type): 15 mm bore, 32 mm outer diameter, 22 mm overall height
Basic dynamic load rating Ca 16700 N, basic static load rating C0a 24800 N (NSK official catalog CAT. No. E1103d)
Limiting speed approx. 4800 min⁻¹ (grease), 7100 min⁻¹ (oil)
Carries pure axial load in both directions with no radial load capacity, from the same NSK thrust ball bearing table as Nahshon's existing 51xxx single-direction series; A matching aligning-seat (54 series) and aligning-seat-washer (54 series U) variant is also available for this size

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Product Description

The 52202 is an NSK double-direction thrust ball bearing (flat seat type): 15 mm bore, 32 mm outer diameter, 22 mm overall height. Basic dynamic load rating Ca is 16700 N and basic static load rating C0a is 24800 N (NSK official catalog CAT. No. E1103d). Double-direction thrust ball bearings carry pure axial load in both directions with no radial load capacity; shaft/housing washer orientation must not be reversed during installation. From the same NSK thrust ball bearing table as Nahshon's existing 51xxx single-direction series, commonly used in screw drives, valves and precision positioning mechanisms requiring bidirectional axial location. A matching aligning-seat (54 series) and aligning-seat-washer (54 series U) variant is also available for this size.

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 52202 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 52202 to your inquiry list or give us a call, and we'll confirm stock, lead time and quote.

Series Models

Thrust Bearings・雙向止推滾珠軸承（平面座型）

51310 51311 51312 51313 51314 51315 51316 51317 51318 5132052202（This page）52204 52205 52206 52207 52208 52209

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