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7917C

Standard Series High Precision Angular Contact Ball Bearings
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Parts Number
7917CTRSUELP4 Standard Series High Precision Angular Contact Ball Bearings
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Parts Number

7917CTRSUELP4

Boundary Dimensions

d 85 mm Bore diameter
D 120 mm Outside diameter
B 18 mm Width
r(min.) 1.1 mm Chamfer Dimension
r1(min.) 0.6 mm Chamfer Dimension

Basic Load Ratings

Cr 41.0 kN Basic Dynamic Load Rating
C0r 40.5 kN Basic Static Load Rating

Speeds

Grease 11300 min-1 Limiting Speed
Oil (Oil-air) 17100 min-1 Limiting Speed

Dimensions

C: 15° Contact Angle
a 22.7 mm Effective Load Center

Abutment and Fillet Dimensions

da(min.) 92 mm Diameter of Shaft Abutment
Da(max.) 113 mm Diameter of Housing Abutment
Db(max.) 115 mm Diameter of Housing Abutment
ra(max.) 1 mm Radius of Shaft or Housing Fillet
rb(max.) 0.6 mm Radius of Shaft or Housing Fillet

Performance

Pa 25.9 kN Permissible Axial Load

Calculation factors

f0 16.5 Factor

Preload,Rigidity(DB and DF arrangement)

Preload Axial Rigidity Measured axial clearance
EL 138N 71N/μm -6μm
L 307N 98N/μm -14μm
M 629N 135N/μm -25μm
H 1281N 191N/μm -41μm

Additional information

3.3 g/brg Recommended Grease Quantities

Mass

0.534 kg Mass(approx.)
CAD
More Information
NSK Product Type2 SP_ACBB_ST_C
NSK Product Type Super Precision Bearing
Designations 7917C

© NSK Ltd.

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