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7907C

Standard Series High Precision Angular Contact Ball Bearings
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Parts Number
7907CTRSULP4Y Standard Series High Precision Angular Contact Ball Bearings
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Parts Number

7907CTRSULP4Y

Boundary Dimensions

d 35 mm Bore diameter
D 55 mm Outside diameter
B 10 mm Width
r(min.) 0.6 mm Chamfer Dimension
r1(min.) 0.3 mm Chamfer Dimension

Basic Load Ratings

Cr 12.7 kN Basic Dynamic Load Rating
C0r 9.15 kN Basic Static Load Rating

Speeds

Grease 25600 min-1 Limiting Speed
Oil (Oil-air) 38900 min-1 Limiting Speed

Dimensions

C: 15° Contact Angle
a 11.0 mm Effective Load Center

Abutment and Fillet Dimensions

da(min.) 40 mm Diameter of Shaft Abutment
Da(max.) 50 mm Diameter of Housing Abutment
Db(max.) 52.5 mm Diameter of Housing Abutment
ra(max.) 0.6 mm Radius of Shaft or Housing Fillet
rb(max.) 0.3 mm Radius of Shaft or Housing Fillet

Performance

Pa 6.60 kN Permissible Axial Load

Calculation factors

f0 15.7 Factor

Preload,Rigidity(DB and DF arrangement)

Preload Axial Rigidity Measured axial clearance
EL 33N 29N/μm 2μm
L 67N 39N/μm -2μm
M 149N 55N/μm -9μm
H 297N 77N/μm -18μm

Additional information

0.44 g/brg Recommended Grease Quantities

Mass

0.074 kg Mass(approx.)
CAD
More Information
NSK Product Type2 SP_ACBB_ST_C
NSK Product Type Super Precision Bearing
Designations 7907C

© NSK Ltd.

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