3958139520Q Tapered Roller Bearing Specifications
Bore d (mm)
57.15
Outer D (mm)
112.712
Width B (mm)
30.162
Dynamic rating Cr (kN)
142
Static rating Cor (kN)
—
Grease limit speed (r/min)
—
Oil limit speed (r/min)
—
Frequently Asked Questions / FAQ
What are the exact dimensions of RAYSDE 3958139520Q?
RAYSDE 3958139520Q Tapered Roller Bearing: bore d = 57.15 mm, outer diameter D = 112.712 mm, width/height B = 30.162 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RAYSDE 3958139520Q carry?
Dynamic load rating Cr = 142 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 RAYSDE 3958139520Q typically used?
Tapered Roller Bearing of this size are common in electric motors, gearboxes, pumps, conveyors, fans and compressors across heavy-industry plants.
Can RAYSDE 3958139520Q replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 57.15 mm, OD 112.712 mm and width 30.162 mm match ISO dimensions, 3958139520Q is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.