MVP® Sheaves

Browning Multiple Variable Pitch Sheaves

Features:

  • Available in both Classical and Narrow Belts

Classical Belt Offering: A, B, & C - 2 to 5 grooves 

Narrow Belt Offering: 5V - 3 to 5 grooves


  • Lean manufacturing technique allows for not stock MVP sheave sizes to be built in 3 to 5 days.

 

Benefits:

We have a large selection of sheave products. We also make available the best product for specific applications and most economical drive design.










Multiple Variable Pitch Sheave
Multiple Variable Pitch Sheave
Multiple Variable Pitch Sheave

 

MVP® sheaves are a series of angular faced center flanges which are bolted to the fixed flange mounted on the barrel. They also contain another series of angular faced flanges which are bolted to the end flange and threaded locking collar.

When the threaded locking collar is turned clockwise, it moves the angular flanges closer together increasing the pitch diameter. When the collar is moved counterclockwise, the flanges are moved apart, decreasing the pitch diameter. The pitch diameter is infinite. This means the collar adjustment can be turned and stopped at any time regardless of location between the minimum and the maximum setting.

When the desired diameter is obtained, the locking collar is locked by tightening screws. In contrast, VL, VP, and VM sheaves are limited by "half-turn" or 180-degree adjustment points.

 

Additional Data

Stock Finished Bore MVP Sheaves for "A" and "B" Belts

U.S. Patent No. 5,304,098

Dynamically Balanced

"L" and "C" Dimensions

 No. Grooves Max. Datum   Bore
 7/8"  1 1/8"  1 3/8"  1 5/8"  1 7/8"  2 1/8"
 L  C  L  C  L  C  L  C  L  C
 2  4.9" 2"   1 5/8"   2 1/2"  1 1/8"  3 1/8  1/2            
   5.4, 5.9                        
   6.4, 6.9       2 1/2  1 1/8  3 1/8  1/2"  3 5/8"  0        
 3  4.9       2 1/2  2 1/4  3 1/8  1 5/8            
   5.4, 5.9       2 1/2  2 1/4  3 1/8  1 5/8  3 3/4  1        
   6.4, 6.9       2 1/2  2 1/4  3 1/8  1 5/8  3 3/4  1  4 3/8"  3/8"    
   7.4, 8.4                   4 5/16  1 15/16    
 4  4.9       2 1/2  3 3/8  3 1/8  2 3/4            
   5.4, 5.9       2 1/2  3 3/8  3 1/8  2 3/4  3 3/4  2 1/8        
   6.4, 6.9       2 1/2  3 3/8  3 1/8  2 3/4  3 3/4  2 1/8  4 3/8  1 1/2    
   7.4, 8.4                  4 5/16  1 9/16  4 5/16  1 9/16
 5  4.9          3 1/8  3 7/8            
   5.4, 5.9          3 1/8  3 7/8  3 3/4  3 1/4        
   6.4, 6.9          3 1/8  3 7/8  3 3/4  3 1/4  4 3/8  2 5/8    
   7.4, 8.4                  4 5/16  2 11/16  4 5/16  2 11/16
 6  4.9          3 1/2  4 5/8            
   5.4, 5.9          3 1/2  4 5/8  3 3/4  4 3/8        
   6.4, 6.9              3 3/4  4 3/8  4 3/8  3 3/4    
   7.4, 8.4                  4 5/16  3 13/16  4 5/16  3 13/16

 

Dimensions shown above are for Sheaves with number of grooves, maximum D.D. and bore indicated; for example, a 2MVP45B59 x 1 3/8" has a 3 1/8" "L" dimension and a 1/2" "C" dimension.

Browning finished bore MVP sheaves are furnished with standard keyseats and two hollow head setscrews. Datum Diameter id infinitely adjustable within the datum range, .233" change per turn of the adjusting ring.

Bore Range Keyseat
7/8" 3/16" x 3/32"
1 1/8 1/4 x 1/8
1 3/8 5/16 x 5/32
1 5/8 3/8 x 3/16
1 7/8, 2 1/8 1/2 x 1/4

 

Stock Bushed Type MVP Sheaves for "A" and "B" Belts

U.S. Patent No. 5,304,098

Dynamically Balanced

 

  Diameters   Part number Dimensions   Wt. Less Bush.
  Datum Range A Belts Datum Range B Belts   Outside  Inside  Ring(R.D.)  Sheave  Bushing O.L.   F Max  F Min  C  H   G  P  E
2 grooves   5.9"-7.0"  6.0"-7.4"  7.68"  3 5/16"  5 3/8"  2MVP60B74P  P2  3 5/8"  2 5/16"  1 15/16"  2 15/16"  11/16"  3"  5/8"  2 5/16"  1/4"  1/4"  23.5
 6.9-8.0  7.0-8.4  8.68  3 5/16  5 3/8  2MVP70B84P  P2  3 5/8  2 5/16  1 15/16  2 15/16  11/16  3  5/8  2 5/16  1/4  1/4  28.1
 7.9-9.0  8.0-9.4  9.68  4 7/16  6 1/2  2MVP80B94Q  Q2  3 5/8  2 5/16  1 15/16  2 3/4  1/8 4 1/8  3/4  2 3/4  1/4  9/32  36.1
3 grooves  5.9"-7.0"  6.0"-7.4"  7.68"  3 5/16"  5 3/8"  3MVP60B74P  P2  4 3/4"  3 1/16"  3 7/16"  2 15/16"  1 13/16"  3"  5/8"  2 5/16"  1/4"  1/4"  29.5
 6.9-8.0  7.0-8.4  8.68  3 5/16  5 3/8  3MVP70B84P  P2  4 3/4  3 1/16  3 7/16  2 15/16  1 13/16  3  5/8  2 5/16  1/4  1/4  35.5
 7.9-9.0  8.0-9.4  9.68  4 7/16  6 1/2  3MVP80B94Q  Q2  4 3/4  3 1/16  3 7/16  2 3/4  1 1/4 4 1/8  3/4  2 3/4  1/4  9/32  45.5
4 grooves  5.9"-7.0"  6.0"-7.4"  7.68"  3 5/16"  5 3/8"  4MVP60B74P  P3  5 7/8"  4 9/16"  4 3/16"  4 7/16"  1 7/16"  3"  5/8"  2 5/16"  1/4"  1/4"  37.8
 6.9-8.0  7.0-8.4  8.68  3 5/16  5 3/8  4MVP70B84P  P3  5 7/8  4 9/16  4 3/16  4 7/16  1 7/16  3  5/8  2 5/16  1/4  1/4  46.4
 7.9-9.0  8.0-9.4  9.68  4 7/16  6 1/2  4MVP80B94Q  Q2  5 7/8  4 9/16  4 3/16  3 1/2  2 3/8 4 1/8  3/4  2 3/4  1/4  9/32  54.5
5 grooves  5.9"-7.0"  6.0"-7.4"  7.68"  3 5/16"  5 3/8"  5MVP60B74P  P3  7"  5 11/16"  5 5/16"  4 7/16"  2 9/16"  3"  5/8"  2 5/16"  1/4"  1/4"  42.6
 6.9-8.0  7.0-8.4  8.68  3 5/16  5 3/8  5MVP70B84P  P3  7  5 11/16  5 5/16  4 7/16  2 9/16  3  5/8  2 5/16  1/4  1/4  52.5
 7.9-9.0
 8.0-9.4  9.68  4 7/16  6 1/2  5MVP80B94Q  Q3  7  5 11/16  5 5/16  5  2 4 1/8  3/4  2 3/4  1/4  9/32  66.5
6 grooves  5.9"-7.0"  6.0"-7.4"  7.68"  3 5/16"  5 3/8"  6MVP60B74P  P3  8 1/8"  6 13/16"  6 7/16"  4 7/16"  3 11/16"  3"  5/8"  2 5/16"  1/4"  1/4"  50.0
 6.9-8.0  7.0-8.4  8.68  3 5/16  5 3/8  6MVP70B84P  P3  8 1/8  6 13/16  6 7/16  4 7/16  3 11/16  3  5/8  2 5/16  1/4  1/4  61.0
 7.9-9.0  8.0-9.4  9.68  4 7/16  6 1/2  6MVP80B94Q  Q3  8 1/8  6 13/16  6 7/16  5  3 1/8 4 1/8  3/4  2 3/4  1/4  9/32  76.5

 

Datum diameter is infinitely adjustable within the range, .233" change per turn of the adjusting ring.


Standard Keyseats

Bore Range Keyseat
3-4"-7/8" 3/16" x 3/32"
15/16-1 1/4 1/4 x 1/8
1 5/16- 1 3/8 5/16 x 5/32
1 7/16-1 3/4 3/8 x 3/16
1 13/16- 2 1/4 1/2 x 1/4
2 5/16- 2 5/8 5/8 x 5/16

 

1 3/8" Bore Bushing(except P3 and Q3) are available with 3/8" x 3/16" Keyseat.

 

Bushing Bores

 Bushing No.  Bore Range 
 P2  3/4"- 1 3/4"
 P3  1 1/8 - 1 5/8
 Q2  1 - 2 5/8
 Q3  1 3/8 - 2 1/2

 

 

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