Toyota NSK B25-1633 Z NX C3 Deep Grove Ball Bearing 20x60x27mm

Toyota NSK B25-1633 Z NX C3 Deep Groove Ball Bearing 20x60x27mm

This genuine NSK B25-1633 Z NX C3 deep groove ball bearing is a direct OEM-specification replacement for Toyota manual gearbox applications. Measuring 20 x 60 x 27 mm with C3 internal clearance, it provides reliable radial load support across a wide range of Toyota petrol models from the 1980s through to the 2000s.

Dimensions: 20 x 60 x 27 mm

Internal clearance: C3 (greater than standard)

Manufacturer part number: B25-1633 Z NX C3

OE cross references: B25-163, 90363-25060, 90903-63010, 90363-25061, 90080-36139

Compatible vehicles include:

• Toyota Avensis / Carina 1.6L 1989–1993
• Toyota Celica 1.6L 1989–1993, 1.8L 1993–1996, 1.8L 2002–2005
• Toyota Corolla 1.6L 1983–1991, 1.8L 1992–1996, 1.8L 2002–2009
• Toyota Matrix 1.8L 2002–2004
• Toyota MR2 1.8L 2002–2005
• Toyota Yaris 1.5L 2005–2009

What does C3 clearance mean for this bearing?

C3 internal clearance is greater than standard (CN) clearance, allowing for slight thermal expansion during normal operation and making it better suited to applications with heat cycles or light interference fits.

Is this a genuine NSK bearing?

Yes – NSK is the OEM supplier for this bearing in Toyota transmissions. You will receive a genuine NSK bearing to original specification.

How do I confirm this is the right bearing for my Toyota?

Cross-reference against the OE numbers 90363-25060 or 90363-25061 using your Toyota parts system, or send us your UK registration or VIN for a fitment check.

Can this bearing be used in applications other than Toyota?

The 20 x 60 x 27 mm C3 specification may suit other applications of the same dimensions, but we only confirm fitment for the Toyota models listed above.

What are the signs of a failed gearbox bearing?

Whining or rumbling noises that change with engine speed or road speed, difficulty selecting gears, and vibration through the gearstick are common signs of bearing wear in a manual gearbox.

Why Choose Eco Torque?

As specialists in gearbox rebuilds and repairs, Eco Torque takes pride in offering genuine gearbox parts, high-quality aftermarket alternatives and competitive pricing.

Need Help Finding the Right Part?

If you are unsure whether this part is compatible with your vehicle, send us your UK registration number or VIN and we will help you find the correct part.

Reference Number: ET2103