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Heavy Load Cylindrical Roller Thrust Bearing Large Diameter 81148M For Oil Drilling
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Heavy Load Cylindrical Roller Thrust Bearing Large Diameter 81148M For Oil Drilling

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Heavy Load Cylindrical Roller Thrust Bearing Large Diameter 81148M For Oil Drilling

 

 

Description:

 

ETR Cylindrical roller Thrust Bearing 81148-M, Heavy Load low friction

Cylindrical roller thrust bearings are simple in form and design, they are produced in single row and double row designs. The bearings in the 811 and 812 series are mainly used where thrust ball bearings have insufficient load carrying capacity. Series 811 and 812 consist of a thrust cylindrical roller and cage assembly, the shaft washer and the housing washer. The most vital component of the bearing is the thrust cylindrical roller and cage assembly. The modified line contact eliminates edge stresses at the roller ends.

These are thrust bearings containing cylindrical rollers. They can sustain only axial loads, but they are suitable for heavy loads and have high axial rigidity. The cages are machined brass.

 

 

 

Specifications:

 

Axial cylindrical roller bearings 81148-M
d 240 mm    
D 300  mm    
T 45 mm    
D1 243 mm    
d1 297 mm    
rmin 1,5 mm    
m 8,45 kg Mass  
Ca 600000 N Basic dynamic load rating, axial  
C0a 2500000 N Basic static load rating,axial  

Cua

 212000 N Fatigue limit load  
nG 1070 1/min Limiting speed  
nB 420 1/min Reference speed  
  K81148-M Allocated axial cylindrical roller and cage assenbly  
  GS81148 Allocated housing locating washer  
  WS81148 Allocated shaft locating washer  

 

 

 

 

Index Shaft [mm] Cylindrical roller and cage assembly Outer ring Inner ring D D1 d1 d H Bearing weight [kg] Cage assembly [kg] Any given ring [kg]
81134 170 K 81134 GS 81134 WS 81134 215 213 172 170 34 2.95 0.66 1.1
81234 170 K 81234 GS 81234 WS 81234 240 237 173 170 55 7.7 1.89 2.9
89434 170 K 89434 GS 89434 WS 89434 340 340 174 170 34.5 51.87 14.87 18.5
81136 180 K 81136 GS 81136 WS 81136 225 222 183 180 34 3.05 0.8 1.12
81236 180 K 81236 GS 81236 WS 81236 250 247 183 180 56 8.25 1.98 3.13
89436 180 K 89436 GS 89436 WS 89436 360 360 184 180 36.5 60.19 17.59 21.3
81138 190 K 81138 GS 81138 WS 81138 240 237 193 190 37 3.85 0.94 1.45
81238 190
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Eternal Bearing Industrial Limited
18/F KIN ON COMM BLDG 49-51, JERVOIS ST SHEUNG WAN HONG KONG,undefined, Wuxi, Jiangsu, China (Mainland)
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