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Date: 2016-08-22

INA ZKLN2557-2RS-PE bearing stock, Dimensions, Drawing

Type:  
 INA Bearings for screw drives
d
  25  
Tolerance: -0,01
D
  57  
Tolerance: -0,013
B
  28  
Tolerance: -0,25
Da max
  48  
 
d1
  40,5  
 
da min
  32  
 
r1 min
  0,6  
 
rmin
  0,3  
 
m
  0,34  
Mass
Ca
  27500  
Basic dynamic load rating, axial
C0a
  55000  
Basic static load rating, axial
nG Fett
  2600  
Limiting speed for grease lubrication
MRL
  0,4  
Bearing frictional torque
caL
  750  
Axial rigidity
ckL
  200  
Tilting rigidity
Mm
  0,486  
Mass moment of inertia for rotating inner ring
  5  
  5  
Axial runout
The axial runout data for screw drive bearing arrangements are based on the rotating inner ring.
  ZM25, AM25  
  ZM25, AM25  
Designation of recommended INA locknut
Locknuts not included in delivery.
MA
  25  
Tightening torque
Only valid in conjunction with INA precision locknuts
  9410  
  9410  
Axial preload force



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