687 Deep Groove Ball Bearing Specifications
Bore d (mm)
7
Outer D (mm)
14
Width B (mm)
3.5
Dynamic rating Cr (kN)
1.29
Static rating Cor (kN)
0.51
Grease limit speed (r/min)
40000
Oil limit speed (r/min)
45000
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST 687?
RUIST 687 Deep Groove Ball Bearing: bore d = 7 mm, outer diameter D = 14 mm, width/height B = 3.5 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST 687 carry?
Dynamic load rating Cr = 1.29 kN and static load rating Cor = 0.51 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST 687 typically used?
Deep Groove Ball Bearing of this size are common in electric motors, gearboxes, pumps, conveyors, fans and compressors across heavy-industry plants.
Can RUIST 687 replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 7 mm, OD 14 mm and width 3.5 mm match ISO dimensions, 687 is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.