NSK 62TB0632B15 Engine Timing Belt Tensioner Pulley

NSK Timing Belt Tensioner Pulley for Lexus and Toyota

The NSK 62TB0632B15 engine timing belt tensioner pulley is built for precise belt control in timing system service. It is a vehicle-specific OE-style replacement for select Lexus GS300, IS300, SC300, and Toyota Supra applications, with bearing construction focused on low friction and long service life.

Key Features

• Premium OE technology with vehicle-specific fit, form, and performance
• Long-life low-friction bearing with a superfinished, precision-matched raceway
• Advanced multi-lip seal design for resistance to water and contamination
• Sealed-for-life construction with premium all-weather grease
• Outside diameter: 62 mm
• Width, inner race: 35 mm
• Width, outer race: 28.5 mm

Detailed Description

NSK is known for advanced rolling bearing engineering and supplies components to major automotive manufacturers and suppliers worldwide. The 62TB0632B15 timing belt tensioner pulley is designed to maintain stable belt tracking and consistent tension in the engine timing system, helping support quiet operation and dependable performance under demanding conditions. This part number is a direct-fit service option for 1993-2005 Lexus GS300, 2001-2005 Lexus IS300, 1992-2000 Lexus SC300, and 1993-1998 Toyota Supra applications. If you are replacing a worn timing belt tensioner pulley on a Lexus GS300 or Toyota Supra, NSK 62TB0632B15 provides an OE-style solution built around bearing durability and contamination resistance.

What This Part Helps Address

• Timing belt noise caused by a worn pulley bearing
• Rough or inconsistent pulley rotation during engine service
• Belt tracking issues related to degraded tensioner hardware
• Contamination-related bearing wear from moisture or debris
• Premature timing system service caused by aging pulley components

Installation Notes and Tips

Inspect the timing belt, tensioner assembly, and related idlers during service, since pulley wear often appears alongside other timing components. Verify pulley dimensions and vehicle application before installation, especially on Lexus GS300, IS300, SC300, and Toyota Supra models. Follow the vehicle manufacturer’s timing service procedure and torque specifications to ensure correct alignment and belt tension.

Quality Assurance

NSK manufactures bearing products with a focus on extended bearing life and stable operating performance in demanding automotive environments. The 62TB0632B15 uses sealed-for-life bearing construction and contamination-resistant sealing to support consistent service in engine timing applications.