BT / NP / TR / U-SET Series Tapered Roller Bearings – Automotive and Specialist
GBC-supplied BT1B, NP, TR and U/SET inch tapered roller bearings, d 29–86 mm. Includes pre-matched U-SET wheel bearing assemblies. Interchangeable with SKF, FAG and Timken
MOQ: 50 pcs. Minimum order value USD 1,500; mixed orders and trial quantities welcome.
BT / NP / TR / U SERIES INCH TAPERED ROLLER BEARINGS
Series Overview
The BT, NP, TR and U series represent specialist inch tapered roller bearing families with application-specific designations used primarily in automotive, truck and specialist industrial equipment.
The BT1B prefix (SKF/FAG designation) denotes bearings produced to SKF internal standards. The NP prefix (Timken) and TR prefix identify matched tapered roller pairs for specific automotive differential and wheel end assemblies. The U/SET series are pre-matched cone-and-cup sets for wheel bearing applications. Supplied by GBC, MOQ 100 pieces.
Key Design Features
Automotive-grade matched sets
BT, NP, TR and U/SET bearings are precision-matched pairs, factory-selected to tight preload tolerances for wheel end and differential applications.
Specialist designation systems
BT1B (SKF), NP (Timken) and TR designations indicate bearings produced to manufacturer-specific internal standards.
Cross-reference to ABMA equivalents
Most BT, NP and U series bearings have ABMA equivalent designation numbers. Contact us for cross-reference information.
U/SET pre-matched wheel bearing assemblies
U-SET series (SET9, SET10, SET20, SET80) are pre-matched sets for truck and trailer wheel end applications.
Boundary dimensions: d bore · D outer diameter · T / B width (mm)
Complete Specification Table
Dimensions in mm · Load ratings in N · Weight in kg
BT1B series (SKF designation)
| Bearing No. | d | D | T | Dynamic (N) | Static (N) | Weight (kg) |
|---|---|---|---|---|---|---|
| BT1B328053 | 41.000 | 68.000 | 19.000 | 46,100 | 63,500 | 0.256 |
| BT1B329013A/Q | 29.000 | 50.292 | 14.224 | 28,000 | 36,000 | 0.120 |
NP / TR / U-SET series
| Bearing No. | d | D | T | Dynamic (N) | Static (N) | Weight (kg) |
|---|---|---|---|---|---|---|
| NP380290/NP533133 | 85.730 | 136.530 | 30.162 | — | — | — |
| TR10204/72487 | 50.000 | 123.825 | 36.512 | — | — | — |
| U298/U261L (SET9) | 35.000 | 65.000 | 18.000 | — | — | — |
| U399/U360L (SET10) | 39.689 | 73.040 | 18.778 | 52,000 | 66,000 | — |
| U497/U460L (SET80) | 45.000 | 80.000 | 23.750 | — | — | — |
| U399A/U365L (SET20) | 39.689 | 80.000 | 20.218 | 52,000 | 66,000 | — |
Typical Applications
BT, NP, TR and U series bearings are primarily used in automotive and heavy vehicle applications.
Truck and trailer wheel ends
U-SET series pre-matched wheel bearing assemblies for truck, trailer and semi-trailer axle ends
Automotive differentials
NP and TR series matched pairs in passenger car and light commercial vehicle differential pinion assemblies
European vehicle drivetrains
BT1B series for European agricultural and commercial vehicle gearboxes and axle assemblies
OEM warranty replacement
Direct dimensional replacement for BT1B and NP prefix bearings specified in OEM service manuals
Need a BT, NP, TR or U-SET series bearing?
Contact us with your part number for pricing and stock. We can cross-reference BT1B, NP, TR and U/SET designations to ABMA equivalents.
GBC-supplied BT1B, NP, TR and U/SET inch tapered roller bearings, d 29–86 mm. Includes pre-matched U-SET wheel bearing assemblies. Interchangeable with SKF, FAG and Timken
MOQ: 50 pcs. Minimum order value USD 1,500; mixed orders and trial quantities welcome.








