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7917A5

Standard Series High Precision Angular Contact Ball Bearings
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Parts Number
7917A5TRV1VSUELP4Y Standard Series High Precision Angular Contact Ball Bearings
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Parts Number

7917A5TRV1VSUELP4Y

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 38.5 kN Basic Dynamic Load Rating
C0r 38.5 kN Basic Static Load Rating

Speeds

Grease 9800 min-1 Limiting Speed
Oil (Oil-air) 14700 min-1 Limiting Speed

Dimensions

A5: 25° Contact Angle
a 32.9 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 30.0 kN Permissible Axial Load

Preload,Rigidity(DB and DF arrangement)

Preload Axial Rigidity Measured axial clearance
EL 227N 176N/μm -5μm
L 427N 222N/μm -9μm
M 950N 300N/μm -17μm
H 1909N 396N/μm -28μm

Additional information

3.3 g/brg Recommended Grease Quantities

Mass

0.541 kg Mass(approx.)
CAD
More Information
NSK Product Type2 SP_ACBB_ST_A5
NSK Product Type Super Precision Bearing
Designations 7917A5

© NSK Ltd.

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