BT1-1545 Tapered Roller Bearing Specifications
Bore d (mm)
70
Outer D (mm)
130
Width B (mm)
57
Dynamic rating Cr (kN)
280
Static rating Cor (kN)
—
Grease limit speed (r/min)
—
Oil limit speed (r/min)
—
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST BT1-1545?
RUIST BT1-1545 Tapered Roller Bearing: bore d = 70 mm, outer diameter D = 130 mm, width/height B = 57 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST BT1-1545 carry?
Dynamic load rating Cr = 280 kN and static load rating Cor = — kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST BT1-1545 typically used?
Tapered Roller Bearing of this size are common in electric motors, gearboxes, pumps, conveyors, fans and compressors across heavy-industry plants.
Can RUIST BT1-1545 replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 70 mm, OD 130 mm and width 57 mm match ISO dimensions, BT1-1545 is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.