The Blackbearing B3 30407-2RS Bearing 30x40x7mm is built for cyclists seeking smooth, reliable performance in demanding conditions. Designed with intermediate-grade precision, it withstands everyday riding stresses while maintaining consistent rotation and efficiency.
Perfect Fit for DUB Bottom Brackets: Specifically developed to replace original SRAM and Truvativ DUB bottom bracket bearings, the B3 30407-2RS ensures exact compatibility and a secure fit. It restores the original smoothness of your drivetrain and improves long-term reliability.
Double-Sealed for Maximum Protection: Featuring “2RS” double seals, the bearing offers strong protection against water, dust and road debris. The seals preserve internal lubrication, minimizing maintenance and extending service life even in tough riding conditions.
Smooth and Long-Lasting Performance: Pre-lubricated with high-quality grease, the B3 30407-2RS Bearing ensures low friction, quiet operation and efficient energy transfer. Designed and assembled with precision, it is a 100% compatible replacement that delivers durability, smoothness and performance for SRAM/Truvativ DUB systems.
Made from SAE52100 chrome steel, both the balls and rings provide excellent hardness and resistance to wear. The robust chrome steel cage maintains structural stability and helps distribute load evenly for smoother pedaling.
Features
- Perfect Fit for DUB Bottom Brackets: Designed as a direct replacement for SRAM and Truvativ DUB bearings, ensuring precise fitment and restored drivetrain smoothness.
- Premium Chrome Steel Construction: Built with SAE52100 chrome steel balls and rings for exceptional hardness, wear resistance and long-term durability.
- Reinforced Chrome Steel Cage: Ensures stable load distribution and consistent performance under heavy pedaling and variable riding conditions.
- Double-Sealed Protection: Equipped with 2RS seals that prevent water, dust and debris entry while retaining internal lubrication for extended life.
- Pre-Lubricated Smoothness: Factory-filled with premium grease for quiet, efficient rotation and long-lasting performance in all riding environments.
Specifications
- Product Number: UB-30407-B3
- Seal Type: Non-Contact/Non-Contact
- Closure Type: Double Sealed
- Dimensions: 30 x 40 x 7 mm
- Bearing Inner Diameter: 30 mm
- Bearing Outer Diameter: 40 mm
- Depth: 7 mm
- Compatibility: Replacement for original SRAM/Truvativ DUB Bottom Bracket Bearings
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The Blackbearing B3 30407-2RS Bearing 30x40x7mm is built for cyclists seeking smooth, reliable performance in demanding conditions. Designed with intermediate-grade precision, it withstands everyday riding stresses while maintaining consistent rotation and efficiency.
Perfect Fit for DUB Bottom Brackets: Specifically developed to replace original SRAM and Truvativ DUB bottom bracket bearings, the B3 30407-2RS ensures exact compatibility and a secure fit. It restores the original smoothness of your drivetrain and improves long-term reliability.
Double-Sealed for Maximum Protection: Featuring “2RS” double seals, the bearing offers strong protection against water, dust and road debris. The seals preserve internal lubrication, minimizing maintenance and extending service life even in tough riding conditions.
Smooth and Long-Lasting Performance: Pre-lubricated with high-quality grease, the B3 30407-2RS Bearing ensures low friction, quiet operation and efficient energy transfer. Designed and assembled with precision, it is a 100% compatible replacement that delivers durability, smoothness and performance for SRAM/Truvativ DUB systems.
Made from SAE52100 chrome steel, both the balls and rings provide excellent hardness and resistance to wear. The robust chrome steel cage maintains structural stability and helps distribute load evenly for smoother pedaling.
Features
- Perfect Fit for DUB Bottom Brackets: Designed as a direct replacement for SRAM and Truvativ DUB bearings, ensuring precise fitment and restored drivetrain smoothness.
- Premium Chrome Steel Construction: Built with SAE52100 chrome steel balls and rings for exceptional hardness, wear resistance and long-term durability.
- Reinforced Chrome Steel Cage: Ensures stable load distribution and consistent performance under heavy pedaling and variable riding conditions.
- Double-Sealed Protection: Equipped with 2RS seals that prevent water, dust and debris entry while retaining internal lubrication for extended life.
- Pre-Lubricated Smoothness: Factory-filled with premium grease for quiet, efficient rotation and long-lasting performance in all riding environments.
Specifications
- Product Number: UB-30407-B3
- Seal Type: Non-Contact/Non-Contact
- Closure Type: Double Sealed
- Dimensions: 30 x 40 x 7 mm
- Bearing Inner Diameter: 30 mm
- Bearing Outer Diameter: 40 mm
- Depth: 7 mm
- Compatibility: Replacement for original SRAM/Truvativ DUB Bottom Bracket Bearings