NSK 7920A5TYNSULP4 bearings
7920A5TYNSULP4, NSK, Super precision angular contact ball bearings, Contact angle A5: 25°


NSK, Super precision angular contact ball bearings
Measurement system
Metric
Bore diameter
100.000 mm
Outside diameter
140.000 mm
Width
20.000 mm
Cr
49500 N
C0r
51500 N
Limiting speed
12000 r/min
Net weight
0.808 kg
Number of rows
1
Contact angle deg
25
Sealing
Without
Cage
Resin cage
Bore type
Cylindrical
Outer diameter type
Cylindrical
Arrangement
Universal matching
Bearing material
Steel
Rolling material
Steel
Tolerance class
Class4 (P4)
Internal clearance
CN
Lubricant in bearing
None

In stock


Technical specification for NSK 7920A5TYNSULP4

Parts Number 7920A5TYNSULP4
NSK 7920A5TYNSULP4
Brand NSK
Contact Angle A5: 25°
Accuracy P4: ISO Class 4
Cage Polyamide resin
Arrangement Universal combination, single row
Boundary Dimensions
d 100 mm Bore diameter
D 140 mm Outside diameter
B 20 mm Width
r min. 1.1 mm Chamfer Dimension
r1 min. 0.6 mm Chamfer Dimension
Basic Load Ratings
Cr 49.5 kN Basic Dynamic Load Rating
C0r 51.5 kN Basic Static Load Rating
Speeds
Grease 8400 min-1 Limiting Speed
Oil 12000 min-1 Limiting Speed
Dimensions
a 38.0 mm Effective Load Center
Abutment and Fillet Dimensions
da min. 107 mm Diameter of Shaft Abutment
Da max. 133 mm Diameter of Housing Abutment
Db max. 135 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 39.5 kN Permissible Axial Load
Preload,Rigidity(DB and DF arrangement)
Preload 615N L: light preload
Axial Rigidity 266N/μm
Measured axial clearance -10μm

Additional information

  4.6 g/brg Recommended Grease Quantities
Mass
Weight 0.808 kg (approx.)  
NSK, Super precision angular contact ball bearings

7920A5TYNSULP4, NSK, Super precision angular contact ball bearings, Contact angle A5: 25°; Polyamide resin cage, ball guided; Universal combination bearing, single row; Light preload; P4: ISO Class 4.

NSK 7920A5TYNSULP4, Bore diameter: 100 mm; Outside diameter 140 mm; Width 20 mm.

Comments

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