42688/42620 Tapered Roller Bearing Specifications
Bore d (mm)
76.2
Outer D (mm)
127
Width B (mm)
30.162
Dynamic rating Cr (kN)
149
Static rating Cor (kN)
222
Grease limit speed (r/min)
—
Oil limit speed (r/min)
—
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST 42688/42620?
RUIST 42688/42620 Tapered Roller Bearing: bore d = 76.2 mm, outer diameter D = 127 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 RUIST 42688/42620 carry?
Dynamic load rating Cr = 149 kN and static load rating Cor = 222 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST 42688/42620 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 42688/42620 replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 76.2 mm, OD 127 mm and width 30.162 mm match ISO dimensions, 42688/42620 is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.