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Single Row Tapered Roller Bearings (Inch Series)
Single Row Tapered Roller Bearings (Inch Series)
QDY
Single Row Tapered Roller Bearings (Inch Series)
QDY
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Dimension and Parameters
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Bearing NO. :122978/122125
- Boundary dimensions(mm)
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d :199.975
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D :317.5
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T :66.675
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B :70
-
C :50.8
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r 1.2min :4.3
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r 3.4min :3.2
- Basic load ratings(kN)
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Cr :741
-
Cor :1270
- Limiting speed(rpm)
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Grease :1100
-
Oil :1600
- Application point
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a :54.4
- Abutment and fillet dimensions(mm)
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da max :214
-
db min :232
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Da max :289
-
Db min :299
-
ra max :4.3
-
rb max :3.2
- Value
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e :0.3
-
Y :2.02
-
Y0 :1.11
- Weight (kg)
-
Refer :19.5
