NSK B15-115 Clutch Pilot Bearing

Overview of NSK Clutch Pilot Bearing B15-115

The NSK Clutch Pilot Bearing B15-115 is engineered to provide reliable support for the transmission input shaft in select GM vehicles. Designed with precise dimensions, this clutch pilot bearing ensures smooth operation and alignment for your Cadillac, Chevrolet, GMC, or Hummer models.

• Inside diameter: 15 mm
• Outside diameter: 43.3 mm
• Width of outer race: 13 mm
• Compatible with multiple GM vehicle models
• Durable construction for consistent performance

Technical Specifications and Design Details

This clutch pilot bearing features a 15 mm inside diameter, which fits securely around the transmission input shaft. The 43.3 mm outside diameter and 13 mm width of the outer race provide a stable seating surface within the flywheel or clutch housing. These dimensions are critical for maintaining proper alignment and reducing wear on the transmission components. The NSK B15-115 bearing is manufactured to meet OEM standards, ensuring compatibility and durability in demanding driving conditions.

Compatible Vehicles and Applications

The NSK B15-115 clutch pilot bearing is compatible with a range of GM vehicles, including Cadillac CT5 and CTS, Chevrolet Camaro, Blazer, Colorado, Corvette, and Silverado models, as well as GMC Canyon, Sierra 1500, Sierra 2500, Sierra 3500, and Hummer H3 and H3T. This bearing is designed to support the clutch system in these vehicles, helping to maintain smooth gear engagement and reduce transmission wear.

• Supports clutch input shaft alignment in Cadillac CT5 and CTS
• Compatible with Chevrolet Silverado 1500 and 2500 HD models
• Fits GMC Sierra 3500 and Canyon models
• Suitable for Hummer H3 and H3T clutch systems

Common Issues Addressed by the NSK B15-115 Bearing

• Prevents excessive wear on transmission input shaft
• Reduces clutch chatter and vibration during engagement
• Maintains proper alignment between engine and transmission
• Minimizes noise caused by worn or damaged pilot bearings
• Helps avoid premature clutch or transmission failure

Installation Notes and Tips

When installing the NSK B15-115 clutch pilot bearing, ensure the bearing is pressed evenly into the flywheel or clutch housing to avoid misalignment. Use appropriate tools to prevent damage to the bearing or surrounding components. Verify the bearing dimensions match the vehicle specifications before installation. Proper lubrication and clean surfaces will help extend the bearing’s service life.

Quality Assurance and Warranty

NSK manufactures the B15-115 clutch pilot bearing to meet strict quality standards, ensuring reliable performance in automotive transmission systems. While specific warranty details are not provided, NSK products typically undergo rigorous testing to comply with OEM requirements, offering confidence in durability and fitment for Cadillac, Chevrolet, GMC, and Hummer vehicles.