NSK 40TAC72CSUHPN7C bearings
40TAC72CSUHPN7C, NSK, Super Precision Angular Contact Thrust Ball Bearings for Ball Screw Support

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Super Precision Angular Contact Thrust Ball Bearings for Ball Screw Support
Measurement system
Metric
Bore diameter
40.000 mm
Outside diameter
72.000 mm
Height
15.000 mm
Ca
40 N
C0a
52 N
Limiting speed
5500 r/min
Net weight
0.275 kg
Number of rows
1
Contact angle deg
60
Sealing
Without
Cage
Resin cage
Arrangement
Universal matching
Bearing material
Steel
Rolling material
Steel
Lubricant in bearing
None

In stock

Technical specification for NSK 40TAC72CSUHPN7C

Parts Number 40TAC72CSUHPN7C
NSK 40TAC72CSUHPN7C
Brand NSK
Contact Angle 60°
Accuracy PN7C: NES Class 7C (axial runout equivalent to P2)
Arrangement Universal arrangement, single row
Boundary Dimensions
d 40 mm Bore diameter
D 72 mm Outside diameter
B 15 mm Width
r min. 1 mm Chamfer Dimension
r1 min. 0.6 mm Chamfer Dimension
Basic Load Ratings
Ca(1row) 40.0 kN Basic Dynamic Load Rating Ca by Number of Rows Sustaining Fa
Ca(2row) 65.0 kN Basic Dynamic Load Rating Ca by Number of Rows Sustaining Fa
Ca(3row) 86.5 kN Basic Dynamic Load Rating Ca by Number of Rows Sustaining Fa
Speeds
Grease 4100 min-1 Limiting Speed
Oil 5500 min-1 Limiting Speed
Abutment and Fillet Dimensions
da min. 47 mm Diameter of Shaft Abutment
Da max. 66 mm Diameter of Housing Abutment
Db max. 67 mm Diameter of Housing Abutment
Performance
1row 52.0 kN Limiting Static Axial Load by Number of Rows Sustaining Fa
2row 104 kN Limiting Static Axial Load by Number of Rows Sustaining Fa
3row 157 kN Limiting Static Axial Load by Number of Rows Sustaining Fa
Preload,Rigidity(DB and DF arrangement)
Preload 2860N H: Heavy preload
Axial Rigidity 1080N/μm
Additional information
Measured Axial Clearance
(DB and DF arrangement)		 -15 μm H: Heavy preload
Starting Torque
(DB and DF arrangement)		 0.19 N•m
  3.6 g/brg Recommended Grease Quantities
Mass
Weight 0.275 kg (approx.)  
Super Precision Angular Contact Thrust Ball Bearings for Ball Screw Support

40TAC72CSUHPN7C, NSK, super precision angular contact thrust ball bearings for ball screw support, contact angle 60°; Universal combination bearing, single row; Heavy preload.

NSK 40TAC72CSUHPN7C bearings have a larger number of balls and a 60° contact angle which can provide high axial rigidity and make these NSK bearings ideally suited for machine tool feeding mechanisms.

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