The Phil Wood PWX85 Hollowtech Bottom Bracket Bearing is a replacement cartridge bearing for riders and mechanics servicing Shimano-style outboard bottom bracket cups.

This sealed cartridge bearing is sold individually and measures 25 mm ID x 37 mm OD x 7 mm wide. It is intended for upgrading or servicing Hollowtech, MegaExo, and X-Type outboard bottom bracket systems where the 25 x 37 x 7 mm bearing size is required.

Key Features

• Replacement bearing: Designed as a replacement or upgrade bearing for compatible outboard bottom bracket cups.
• Measured fit: 25 mm inner diameter, 37 mm outer diameter, and 7 mm width.
• Compatibility: For Hollowtech, MegaExo, and X-Type bottom bracket applications using this bearing size.
• Sold individually: Order the quantity needed for the specific service job.

Benefits

• Helps restore smooth crank rotation when the original bottom bracket bearings are worn.
• Exact bearing dimensions make it easier to confirm fit before ordering.
• Individual sale format supports single-side replacement or paired service as needed.

Best For

• Shimano-style outboard bottom bracket cup service.
• Hollowtech, MegaExo, and X-Type bottom bracket bearing replacement.
• Home mechanics and professional service benches matching a 25 x 37 x 7 mm cartridge bearing.

Specifications

• Brand: Phil Wood
• Model: PWX85
• Product Type: Bottom bracket cartridge bearing
• Inner Diameter: 25 mm | 0.98 in
• Outer Diameter: 37 mm | 1.46 in
• Width: 7 mm | 0.28 in
• Compatibility: Hollowtech, MegaExo, and X-Type outboard bottom bracket systems using this bearing size
• Quantity: Each
• Manufacturer Part Number: PWX85
• UPC: 017293830016