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7207A5

Standard Series High Precision Angular Contact Ball Bearings
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Parts Number
7207A5TRSUMP4Y Standard Series High Precision Angular Contact Ball Bearings
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Parts Number

7207A5TRSUMP4Y

Boundary Dimensions

d 35 mm Bore diameter
D 72 mm Outside diameter
B 17 mm Width
r(min.) 1.1 mm Chamfer Dimension
r1(min.) 0.6 mm Chamfer Dimension

Basic Load Ratings

Cr 36.5 kN Basic Dynamic Load Rating
C0r 19.1 kN Basic Static Load Rating

Speeds

Grease 18700 min-1 Limiting Speed
Oil (Oil-air) 28100 min-1 Limiting Speed

Dimensions

A5: 25° Contact Angle
a 21.0 mm Effective Load Center

Abutment and Fillet Dimensions

da(min.) 42 mm Diameter of Shaft Abutment
Da(max.) 65 mm Diameter of Housing Abutment
Db(max.) 67 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 16.6 kN Permissible Axial Load

Preload,Rigidity(DB and DF arrangement)

Preload Axial Rigidity Measured axial clearance
EL 131N 95N/μm -4μm
L 238N 118N/μm -8μm
M 596N 167N/μm -18μm
H 1178N 220N/μm -30μm

Additional information

1.6 g/brg Recommended Grease Quantities

Mass

0.277 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)
7207A5TRSUMP4Y 36.5 19.1 P4Y: Special class (Special bore and outside diameter tolerances, others are ISO Class 4.) 18700 28100 0.277

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CAD
More Information
NSK Product Type2 SP_ACBB_ST_A5
NSK Product Type Super Precision Bearing
Designations 7207A5

© NSK Ltd.

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