BEIJING ADYR BEARING CO.,LTD
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INA ZARN2557TN bearing

INA ZARN2557TN Bearing

Min. Order:
1 Piece
Payment term:
TT
Delivery time:
7 days
Technical Parameters:
Product Designations:
ZARN2557TN
Structure:
Cylindrical roller bearing
Inside Diameter:
25 mm
Outside Diameter:
57 mm
Thickness:
50 mm
Brand:
INA
Precision Rating:
P0 、P6、P5、P4、P2
Bearing Material:
bearing steel
Seals Type:
TV
INA ZARN2557TN Bearing

 

 

Needle roller/axial cylindrical roller bearings ZARN2557-TV

double direction

d 25  mm 
   
D 57  mm 
   
H 50  mm 
   
 
B 10  mm 
   
C 20  mm 
   
D1 47  mm 
   
Da max 48  mm 
  Mounting dimensions
If rotary shaft seals are used, the outside diameter of the sealing ring must be taken into consideration.
da min 39  mm 
  Mounting dimensions
If rotary shaft seals are used, the outside diameter of the sealing ring must be taken into consideration.
H1 35  mm 
   
r1 min 0,6  mm 
   
rmin 0,3  mm 
   
 
m 0,53  kg 
  Mass
Ca 35500  N 
  Basic dynamic load rating, axial
C0a 86000  N 
  Basic static load rating, axial
Cr 22600  N 
  Basic dynamic load rating, radial
C0r 36000  N 
  Basic static load rating, radial
nG Öl 6000  1/min 
  Limiting speed for oil lubrication (valid only with adequate oil cooling)
nG Fett 1900  1/min 
  Limiting speed for grease lubrication
MRL 0,55  Nm 
  Bearing frictional torque
caL 1900  N/µm 
  Axial rigidity
ckL 350  Nm/mrad 
  Tilting rigidity
Mm 0,99  kg x cm^2 
  Mass moment of inertia for rotating inner ring
  1  µm 
  Axial runout
The axial runout data for screw drive bearing arrangements are based on the rotating inner ring.
  ZMA25/45, AM25 
  Designation of recommended INA locknut
MA 25  Nm 
  Tightening torque
Only valid in conjunction with INA precision locknuts
  10470  N 
  Axial preload force
   
  Locknuts not included in delivery.

 

 


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