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Browning® 1046473 BRO1VM505/8
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Browning® 1046473 BRO1VM505/8

Browning® 1046473 VM Series Variable Pitch Sheave, 5/8 in Finished Bore, 4-3/4 in OD, 1 Groove, 3.3 to 4.1 in (3L)/3.6 to 4.6 in (A/4L)/3.8 to 4.8 in (B/5L) Dia Pitch, 11/16 to 1-1/16 in W Face

  • Manufacturer: Regal Rexnord
  • Brand Name: Browning®
  • Part Number: BRO1VM505/8
  • Alt Part Number: 1VM50X5/8
  • MPN: 1046473
  • UPC: 662289115945
  • Min. Order Qty: 1
  • Qty. Interval: 1
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The principle of a variable pitch sheave is that the threaded angular faced discs forming the V-shaped groove in which the belt rides are movable. VP sheaves consist of a male with a threaded barrel, and a female with a threaded bore. The male section with threaded barrel has flat surfaces at 180 deg increments that allow a flat surface for the setscrew to mate with. When the discs are moved toward each other, the belt rides higher in the groove and the pitch diameter of the sheave is larger which increases the driven speed. When the discs are moved away from each other, the belt rides lower and the pitch diameter is smaller decreasing the driven speed. The common term for this speed adjustment is called number of turns open from closed position.

Browning® Variable Pitch Sheave, Series: VM Series, Finished Bore, 5/8 in Bore, 4-3/4 in OD, 3.3 to 4.1 in (3L)/3.6 to 4.6 in (A/4L)/3.8 to 4.8 in (B/5L) Pitch Diameter, 1 Grooves, 11/16 to 1-1/16 in Face Width, 1-15/16 in Overall Length, For Use With: GripBelt® 3L, 4L/A and 5L/B Cross Section FHP V-Belt, Cast Iron

Bore Diameter      :      5/8 in
Bore Type      :      Finished
Face Width      :      11/16 to 1-1/16 in
Material      :      Cast Iron
Number of Grooves      :      1
Outside Diameter      :      4-3/4 in
Overall Length      :      1-15/16 in
Pitch Diameter      :      3.3 to 4.1 in (3L)/3.6 to 4.6 in (A/4L)/3.8 to 4.8 in (B/5L)
Series      :      VM Series
Suitable For Use With      :      GripBelt® 3L, 4L/A and 5L/B Cross Section FHP V-Belt
  • External rib design provides cooling for longer belt life
  • Increases wall thickness by 30%
  • Increased hub diameter by 20%
  • Tighter tolerances by 25%
  • Twice balanced after assembly
  • Tightened micro-finish on groove walls for increased belt life
  • Largest selection in the Industry - Browning offers the widest range of variable speed sheaves in the market today
  • One and two Groove product are available in 1.6 in to 8.5 in covering up to 25 horsepower
  • VP sheaves consist of a male with a threaded barrel, and a female with a threaded bore
  • The male section with threaded barrel has flat surfaces at 180 deg increments that allow a flat surface for the setscrew to mate with
  • When discs are moved toward each other, the belt rides higher in the groove and the pitch diameter of the sheave is larger which increases the driven speed
  • Incorporates Browning Split Taper Bushing - The only bushing system that provides a true Key-to-Key drive to both the shaft and the hub
  • Sheaves are Statically Balanced - All sheaves are statically balanced to assure smooth, vibration free performance
  • Close Grain Cast iron - Close grain cast iron allows Browning to machine our sheaves to the closest tolerances possible
  • pdfWarranty Information https://externalassets.unilogcorp.com/ASSETS/DOCUMENTS/ITEMS/EN/Browning_A175382_Warranty.pdf