Tianjin Haman Technology Co., Ltd
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Needle Roller Bearings K25X31X21

Needle Roller Bearings K25X31X21

Min. Order:
1 Piece
Payment term:
TT
Delivery time:
Stock
Technical Parameters:
Product Designations:
K25X31X21
Structure:
needle roller bearing
Inside Diameter:
25 mm
Outside Diameter:
31 mm
Thickness:
21 mm
Weight:
0.020 KG
Precision Rating:
ABEC-5
Bearing Material:
Chrome Steel
Seals Type:
Open
Needle Roller Bearings K25X31X21

Item:Tapered Roller Bearing K25X31X21

1)ISO 9001:2008 approved 
2)long life and low noise 
3)OEM service 
4)stocks

Specifications

Model: K25X31X21

Material :GCr15/GCr15SiMn / G20Gr2Ni4A 
Hardness :HRC60-HRC64 
Closures :Unsealed/Sealed Grade : P5

Clearance :C0, C3, C4

Lubrication :Oil or grease 
Features: These bearings are featured by the extremely big axial load carrying capacity and meanwhile they can also carry certain radial load

Packing :
1. For small ones: Anti-rust oil+ plastic bag+ paper box+ wooden box 
2. For big ones: Anti-rust oil+ waterproof belt+ professional belt +wooden box 


Application :Steel industry, oil industry, cement industry, mining & construction, papermaking machinery, rolling mill, sugar mill, vibrating screens, conveyors, air blower, transmissions, and other heavy machinery 

Needle roller and cage assemblies K25X31X21

 
to DIN 5405-1/ISO 3030

 

Fw 25  mm 
   
Ew 31  mm 
   
Bc 21  mm 
   
 
 
m 20  g 
  Mass
Cr 24700  N 
  Basic dynamic load rating, radial
C0r 38000  N 
  Basic static load rating, radial
Cur 5100  N 
  Fatigue limit load, radial
nG 17500  1/min 
  Limiting speed
nB 9400  1/min 
  Reference speed

 

 


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