W 61803-2RS1/VT378 top 5 Latest High Precision Bearings

Bearing number: 7228DF
Size (mm): 140x250x42
Bore Diameter (mm): 140
Outer Diameter (mm): 250
Width (mm): 42
d: 140 mm
D: 250 mm
B: 42 mm
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Product Details

Bearing number 7228DF
Size (mm) 140x250x42
Bore Diameter (mm) 140
Outer Diameter (mm) 250
Width (mm) 42
d 140 mm
D 250 mm
B 42 mm
C 42 mm
Angle (α) 30 °
a 35.3 mm
r min. 3 mm
r1 min. 1.1 mm
2B 84 mm
da min. 147 mm
Da max. 243 mm
ra max. 1 mm
Weight 8.78 Kg
Basic dynamic load rating (C) 345 kN
Basic static load rating (C0) 525 kN
(Grease) Lubrication Speed 1800 r/min
Bore Type Cylindrical Bore
Enclosure Open
Configuration Duplex
Bore Size 140 mm
Outside Diameter 250 mm
Width 42 mm
Fillet Radius/Chamfer 3 mm
r1 1.1 mm
Dynamic Load Rating 345,000 N
Static Load Rating 525,000 N
Limiting Speed - Grease 1,800 rpm
Limiting Speed - Oil 2,400 rpm
da1 (min) 154 mm
da2 (min) 147 mm
Da1 (max) 236 mm
Da2 (max) 243 mm
ra (max) 2.5 mm
ra1 (max) 1 mm
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Company Profile

Worktime 9.00--18.00
Phone 0065-31591338
Fax 0065-31591338
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