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Home » Products » International Brand Bearings » KOYO » KOYO RCTS33SA3 (30502-52A00) Clutch Release Bearing – 33x63.5x23mm for Nissan Sunny Primera Almera

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KOYO RCTS33SA3 (30502-52A00) Clutch Release Bearing – 33x63.5x23mm for Nissan Sunny Primera Almera

The bearing’s function is to translate the clutch pedal (or hydraulic release mechanism) force into axial movement of the clutch diaphragm spring, disengaging the engine from the transmission during gear changes. Because the release bearing is a wear item that operates under continuous thrust load and rotation when the clutch pedal is depressed, replacement is typically required when pedal feel changes, noise develops, or the clutch is serviced as a unit.
  • 30502-52A00

  • KOYO/CHIK

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Technical Specifications

Parameter

Specification

Bearing Type

Single-Direction Thrust Ball Bearing (Clutch Release Bearing)

KOYO Designation

RCTS33SA3

Nissan OE Reference

30502-52A00 (also 30502-52A60, 30502-53J00, and others)

NSK Equivalent

48TKA3301 / ZA-48TKA3301

Bore (d)

33 mm (1.2992 in)

Outer Diameter — Bearing Body (D)

63.5 mm (2.5000 in)

Overall Height (T)

23 mm (0.9055 in)

Release Height (T1)

13 mm

Total Assembly Width (W)

68 mm

Release Contact Diameter (C)

48 mm

The RCTS33SA3 is a single-direction thrust ball bearing: it accommodates axial load in one direction only and must not be subjected to radial load. In the clutch release position, this matches the actual duty cycle—the release bearing is loaded axially against the diaphragm spring when the pedal is depressed, and it is unloaded (or lightly loaded) when the clutch is engaged. The open thrust-ball design supports the rotational speeds and low friction torque required for smooth clutch actuation.

Like all thrust ball bearings, the RCTS33SA3 consists of a shaft ring, a housing ring, and a ball-and-cage assembly. The rings can be separated for inspection or replacement. During installation, the shaft ring must be mounted on the rotating shaft side and the housing ring on the stationary side—reversing them will cause the bearing to fail rapidly under the release load.

Supply

Item

Details

MOQ

100 pcs

Stock Status

Generally available from stock; for bulk orders, availability depends on the production schedule.

Packaging

Individual box + outer carton + pallet; neutral or customized packaging available for bulk orders

Lead Time

3–7 days for stock; 7–15 days for bulk; 15–25 days for customized/OEM orders

Shipping Methods

Bulk orders: air / sea / rail. Sample orders: DHL / FedEx / UPS / TNT for B2B evaluation only

Trade Terms

EXW, FOB, CIF, DDP (negotiable)

Loading Port

Shanghai / Ningbo / Qingdao / Shenzhen (or as required)

Sample Order

Available for B2B evaluation only; sample cost and freight to be confirmed

OEM / ODM

Accepted for bulk orders; custom logo, packaging and labels available

Quality Control

100% inspection before shipment

Payment

Item

Details

Payment Methods

T/T, PayPal, Credit Card, etc.

Payment Terms

Small orders: 100% payment in advance. Bulk orders: 30% deposit, 70% before shipment. Negotiable for long-term partners.

Currency

USD / EUR / CNY

Trade Terms

EXW, FOB, CIF, DDP (negotiable)

Invoice

Commercial invoice, packing list and required shipping documents provided

Notes: Final supply and payment terms depend on order quantity, destination and stock availability. Please contact us for an exact quotation.

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CHIK BEARING produces a wide range of ball and roller bearings for automotive making,​Ferrous Metallurgy, hemical Machinery and Machine Manufacturing .

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