NSK NJ311MC4 Roller Bearings

Bearing number: 6805NR
Size (mm): 25x37x7
Bore Diameter (mm): 25
Outer Diameter (mm): 37
Width (mm): 7
d: 25 mm
D: 37 mm
B: 7 mm

Product Details

Bearing number 6805NR
Size (mm) 25x37x7
Bore Diameter (mm) 25
Outer Diameter (mm) 37
Width (mm) 7
d 25 mm
D 37 mm
B 7 mm
C 7 mm
a 1.3 mm
b 0.95 mm
f 0.85 mm
r min. 0.3 mm
r1 min. 0.3 mm
D1 35.7 mm
D2 39.8 mm
Weight 0.023 Kg
Basic dynamic load rating (C) 4,3 kN
Basic static load rating (C0) 2,94 kN
(Grease) Lubrication Speed 18000 r/min
Bore Type Cylindrical Bore
Configuration Single Row
Enclosure Snap Ring Groove with Snap Ring
Bore Size 25 mm
Outside Diameter 37 mm
Width 7 mm
Fillet Radius/Chamfer 0.3 mm
r1 0.3 mm
Snap Ring Width 0.9 mm
Snap Ring Outside Diameter 39.8 mm
D1 (max) 35.7 mm
a (max) 1.3 mm
b (min) 1 mm
Dynamic Load Rating 4,300 N
Static Load Rating 2,940 N
Limiting Speed - Grease 18,000 rpm
Limiting Speed - Oil 22,000 rpm
Factor fo 16.0
Radial Clearance 0.005 to 0.020 mm
da (min) 27 mm
Da (max) 35 mm
Dx (min) 40.5 mm
ra (max) 0.3 mm
Cy (max) 1.8 mm
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Worktime 9.00--18.00
Phone 0065-31591338
Fax 0065-31591338
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