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Quick Details

Type: Other Type
Seals Type: Non-sealed
Outside Diameter: 74.427-96 mm
Bore Size: 57.76-80 mm
Brand Name: R&B
Type: Sprag
Place of Origin: China (Mainland)
Precision Rating: P0
Model Number: BWC13239B
Material: GCr15
Applicable Industries: Manufacturing Plant, Machinery Repair Shops, Printing Shop

Specifications

the following example is for you reference.
BWC 13239B Sprag Freewheel Clutch One Way Bearing

1.Brief Introduction:

  

BWC13239B sprag freewheel cage is with no inner or outer races. It must be installed in a design providing races, bearing support for axial and radial loads, lubrication and sealing. the BWC type version N accepts all types of lubricants currently used in the power transmission equipment. the sprag space tolerance must not be exceeded. Inner and outer races must both have a minimum plain width "e", without any recess, to ensure the freewheel functions correctly. Alternatively, races can be made in case hardened steel shafts, or housings, to the specification below. Surface hardness of the finished part should be HRC 60 to 62, for a depth of 0, 6 mm minimum. Core hardness to be HRC35 to 45. Surface roughness not to exceed 22CLA. Maximum taper between races: 0, 007 mm for 25 mm width.


 

2.Techincal parameters:

Item X,BW,BWC 
Material Chrome Steel GCr15
Structure Single row sprag type freewheel without inner or outer races
Surface hadrness HRC60 to 62, for a depth of 0.6mm minimum
Core hardness HRC35 to 45
Inside shaft dia. 57.760 mm
Outside shaft dia. 74.427 mm
Max. Width 15.9 mm

 


 

3.Performance features:

the BWC type version N accepts all types of lubricants currently used in the power transmission equipment. 


Type Inside shaft Diameter Outside Shaft Diameter Maximum Width Rated Drag Torque
D1 Sprag Space De Sprag Space B N.M   (kgf.M)
X-135006 54.572 +0.008-0.005 71.211 ±0.013 20.5 799    (81.5)
BW-13231  
54.765
 
-
 
71.427
 
-
13.5 402    (41.0)
BW-13214 15.9 363    (37.0)
BW-13167 15.9 569    (58.0)
BW-13209  
57.760
 
-
 
74.427
 
-
13.5 554    (56.5)
BWC-13239B 15.9 711    (72.5)
BW-13238 21.0 1050   (107)
X-133401 59.538 - 76.200 - 25.4 1350    (138)
BW-13243  
72.217
 
-
 
88.882
 
-
 
13.5 637     (65.0)
BWC-13168 21.0 1510    (154)
BWC-13229 21.6 1325    (135)
BW-13255 26.7 1920    (196)
X-133614C 83.596 ±0.013 102.555 - 25.4 3040    (310)
X-133402 85.776 - 104.775 - 25.4 3090    (315)
BWC-13251  
103.231
 
-
 
119.944
 
-
15.4 789     (80.5)
BWC-13261 15.4 1580    (161)
X-133639 103.231 - 122.230 - 25.4 4410    (450)
X-133403 123.881 - 142.880 - 25.4 5740    (585)