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Inch tapered roller bearings Metric >> Inch >>
Normal Bearing
Dimensions		 Preferred Shoulder
Diameters		 Basic Load
Ratings		 Effective
Load
Center		 Limiting
Speeds		 Bearing Weight
(Approx.)
d D T B C r1 r2 da(min) db(max) Da(max) Cr Cor a Grease Oil Weight
Basic
Bearing No.		 mm mm mm mm mm mm mm mm mm mm KN KN mm rpm rpm kg
M12649A/10 21.43 50.01 17.03 17.79 13.47 1.30 1.30 25.50 25.40 46.00 37.60 40.80 6.40 8000 11000 0.1630
Normal Bearing
Dimensions		 Preferred Shoulder
Diameters		 Basic Load
Ratings		 Effective
Load
Center		 Limiting
Speeds		 Bearing Weight
(Approx.)
d D T B C r1 r2 da(min) db(max) Da(max) Cr Cor a Grease Oil Weight
Basic
Bearing No.		 inch inch inch inch inch inch inch inch inch inch KN KN mm rpm rpm lbs
M12649A/10 0.84 1.97 0.67 0.70 0.53 0.05 0.05 1.00 1.00 1.81 37.60 40.80 6.40 8000 11000 0.3600
50 17.79 21.43 13.47 46 25.5~
50 17.79 21.43 13.47 46 25.5~
50 17.79 21.43 13.47 46 25.5~
50 17.79 21.43 13.47 46 25.5~
50 17.79 21.43 13.47 46 25.5~
50 17.03 17.79 21.43 6.4 46 25.5~25.4 13.47 25.4
50 17.79 21.43 13.47 46 25.5~
50 17.79 21.43 13.47 46 25.5~
50 17.79 21.43 13.47 46 25.5~
50 17.79 21.43 13.47 46 25.5~
TAPER
1.97 0.7 0.84 0.53 1.81 1~
1.97 0.7 0.84 0.53 1.81 1~
1.97 0.7 0.84 0.53 1.81 1~
1.97 0.7 0.84 0.53 1.81 1~
1.97 0.7 0.84 0.53 1.81 1~
1.97 0.7 0.7 0.84 1.81 1~1 0.53 1
1.97 0.7 0.84 0.53 1.81 1~
1.97 0.7 0.84 0.53 1.81 1~
1.97 0.7 0.84 0.53 1.81 1~
1.97 0.7 0.84 0.53 1.81 1~
TAPER

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