1307 Self-Aligning Ball Bearing Specifications
Bore d (mm)
35
Outer D (mm)
80
Width B (mm)
21
Dynamic rating Cr (kN)
27.8
Static rating Cor (kN)
7.85
Grease limit speed (r/min)
7500
Oil limit speed (r/min)
9500
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST 1307?
RUIST 1307 Self-Aligning Ball Bearing: bore d = 35 mm, outer diameter D = 80 mm, width/height B = 21 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST 1307 carry?
Dynamic load rating Cr = 27.8 kN and static load rating Cor = 7.85 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST 1307 typically used?
Self-Aligning Ball Bearing of this size are common in electric motors, gearboxes, pumps, conveyors, fans and compressors across heavy-industry plants.
Can RUIST 1307 replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 35 mm, OD 80 mm and width 21 mm match ISO dimensions, 1307 is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.