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7913A5

Standard Series High Precision Angular Contact Ball Bearings
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Parts Number
7913A5TYNSULP3 Standard Series High Precision Angular Contact Ball Bearings
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Parts Number

7913A5TYNSULP3

Boundary Dimensions

d 65 mm Bore diameter
D 90 mm Outside diameter
B 13 mm Width
r(min.) 1 mm Chamfer Dimension
r1(min.) 0.6 mm Chamfer Dimension

Basic Load Ratings

Cr 24.0 kN Basic Dynamic Load Rating
C0r 19.4 kN Basic Static Load Rating

Speeds The limiting speeds of the ball guided cage is lower than the outer ring guided cage.

Grease 13000 min-1 Limiting Speed
Oil (Oil-air) 18000 min-1 Limiting Speed

Dimensions

A5: 25° Contact Angle
a 24.6 mm Effective Load Center

Abutment and Fillet Dimensions

da(min.) 71 mm Diameter of Shaft Abutment
Da(max.) 84 mm Diameter of Housing Abutment
Db(max.) 85 mm Diameter of Housing Abutment
ra(max.) 1 mm Radius of Shaft or Housing Fillet
rb(max.) 0.5 mm Radius of Shaft or Housing Fillet

Performance

Pa 14.2 kN Permissible Axial Load

Preload,Rigidity(DB and DF arrangement)

Preload Axial Rigidity Measured axial clearance
EL 104N 124N/μm -2μm
L 212N 161N/μm -5μm
M 500N 223N/μm -11μm
H 948N 288N/μm -18μm

Additional information

1.2 g/brg Recommended Grease Quantities

Mass

0.211 kg Mass(approx.)
Designations Basic Load Ratings Axial Internal Clearance Accuracy Limiting Speeds Mass
Cr
 C0r
 min
 max
 Grease
(min-1)		 Oil (Oil-air)
(min-1)
(kg)
7913A5TYNSULP3 24.0 19.4 P3: Special class (ISO Class 4 dimensional tolerances and ISO Class 2 running accuracy.) 13000 18000 0.211

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CAD
More Information
NSK Product Type2 SP_ACBB_ST_A5
NSK Product Type Super Precision Bearing
Designations 7913A5

© NSK Ltd.

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