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A37 V-Belt - A-Section 39" A37 V-Belt (4L390)
A37 V-Belt A-section A37 belt
A37 V-Belt A-section A37 belt
  
Note: Premium Quality V-Belt
Note: Quantity Discounts Available


Product Code: A37-V-BELT
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Description Technical Specs
 

You demand a lot from your machines, so strengthen them with a 4L390 product from USA Roller Chain. Natural and styrene-butadiene rubbers support the polyester cords within these belts. Stretch this A37 belt across your pulleys to truly see a difference in functionality and reliability. Downtime from a loose belt is now a rarity. USA Roller Chain only stocks the highest-quality parts, including the A37 V-belt.

One glance at the 4L390 belt and you know there's a key feature that makes it last. The 40-degree angle encourages the belt to remain in place during the toughest operations. Natural oils and heat won't negatively impact this belt either. When you have a strict deadline approaching, knowing you can trust in your system is how your company will thrive. Each belt weighs less than a quarter pound and offers a 0.66-inch top width. Compare your current belts to our stock. USA Roller Chain supports your facility right now.


A37 V-Belt Construction:
  • Cover - High-quality cotton/ polyester blend
  • Compound - Natural rubber/ styrene-butadiene rubber (SBR)
  • Cord - High-strength polyester
Note: We also have Cogged V-Belts which include longer operational life, cooler running, and around a 2% higher efficiency raring than a standard v-belt.

A37 V-Belt Dimensions

  • Belt Size: A37
  • Top Width: 0.66"
  • Thickness: 0.41"
  • Angel: 40 Degrees
  • Outside Length: 39"
  • Weight: 0.20 LBS
  • Interchanges: A-37, 4L390

A37 V-Belt Pulleys

Our A-section v-belt pulleys are made to ARPM standards, are extreme performance parts, and boast premium features at budget-friendly prices. The charts below show the standard pulley sizes, for additional or custom options, please contact us and we will be happy to assist you.


AK V-Belt Pulleys:
Size Outside Diameter Pitch Diameter (4L/A) Pitch Diameter (3L) Type Dimension (F) Dimension (L) Dimension (P) Dimension (C) Pulley Weight
AK17 1.75" 1.50" 1.16" 1 21/32" 15/16" 7/16" 5/32" 0.2 LBS
AK20 2.00" 1.80" 1.46" 1 21/32" 15/16" 7/16" 5/32" 0.3 LBS
AK21 2.10" 1.90" 1.56" 1 21/32" 15/16" 7/16" 5/32" 0.4 LBS
AK22 2.20" 2.00" 1.66" 1 21/32" 15/16" 7/16" 5/32" 0.5 LBS
AK23 2.30" 2.10" 1.76" 1 21/32" 15/16" 7/16" 5/32" 0.5 LBS
AK25 2.50" 2.30" 1.96" 2 21/32" 15/16" 7/16" 5/32" 0.5 LBS
AK26 2.60" 2.40" 2.06" 2 21/32" 15/16" 7/16" 5/32" 0.5 LBS
AK27 2.70" 2.50" 2.16" 2 21/32" 15/16" 7/16" 5/32" 0.6 LBS
AK28 2.80" 2.60" 2.26" 2 21/32" 15/16" 7/16" 5/32" 0.7 LBS
AK30 3.05" 2.80" 2.46" 2 21/32" 15/16" 7/16" 5/32" 0.7 LBS
AK32 3.25" 3.00" 2.66" 2 21/32" 15/16" 7/16" 5/32" 0.7 LBS
AK34 3.45" 3.20" 2.86" 2 21/32" 15/16" 7/16" 5/32" 0.9 LBS
AK39 3.75" 3.50" 3.16" 2 3/4" 1-5/32" 15/32" 1/16" 1.4 LBS
AK41 3.95" 3.70" 3.36" 2 3/4" 1-5/32" 15/32" 1/16" 1.5 LBS
AK44 4.25" 4.00" 3.66" 3 3/4" 1-5/32" 15/32" 1/16" 1.5 LBS
AK46 4.45" 4.20" 3.86" 3 3/4" 1-5/32" 15/32" 1/16" 1.5 LBS
AK49 4.75" 4.50" 4.16" 3 3/4" 1-5/32" 15/32" 1/16" 1.7 LBS
AK51 4.95" 4.70" 4.36" 3 3/4" 1-5/32" 15/32" 1/16" 1.7 LBS
AK54 5.25" 5.00" 4.66" 3 3/4" 1-5/32" 15/32" 1/16" 1.8 LBS
AK56 5.45" 5.20" 4.86" 3 3/4" 1-5/32" 15/32" 1/16" 1.9 LBS
AK59 5.75" 5.50" 5.16" 3 3/4" 1-5/32" 15/32" 1/16" 2.0 LBS
AK61 5.95" 5.70" 5.36" 3 3/4" 1-5/32" 15/32" 1/16" 2.1 LBS
AK64 6.25" 6.00" 5.66" 3 3/4" 1-5/32" 15/32" 1/16" 2.2 LBS
AK66 6.45" 6.20" 5.86" 3 3/4" 1-5/32" 15/32" 1/16" 2.3 LBS
AK69 6.75" 6.50" 6.16" 3 3/4" 1-15/32" 23/32" -- 3.5 LBS
AK71 6.95" 6.70" 6.36" 3 3/4" 1-15/32" 23/32" -- 3.8 LBS
AK74 7.25" 7.00" 6.66" 3 3/4" 1-15/32" 23/32" -- 3.4 LBS
AK79 7.75" 7.50" 7.16" 3 3/4" 1-15/32" 23/32" -- 4.0 LBS
AK84 8.25" 8.00" 7.66" 3 3/4" 1-15/32" 23/32" -- 3.8 LBS
AK89 8.75" 8.50" 8.16" 3 3/4" 1-15/32" 23/32" -- 4.3 LBS
AK94 9.25" 9.00" 8.68" 3 3/4" 1-15/32" 23/32" -- 4.5 LBS
AK99 9.75" 9.50" 9.16" 3 3/4" 1-15/32" 23/32" -- 5.3 LBS
AK104 10.25" 10.00" 9.66" 3 3/4" 1-15/32" 23/32" -- 5.1 LBS
AK109 10.75" 10.50" 10.16" 3 3/4" 1-15/32" 23/32" -- 5.8 LBS
AK114 11.25" 11.00" 10.66" 3 3/4" 1-15/32" 23/32" -- 5.6 LBS
AK124 12.25" 12.00" 11.66" 3 3/4" 1-15/32" 23/32" -- 6.5 LBS
AK134 13.25" 13.00" 12.66" 3 3/4" 1-15/32" 23/32" -- 7.5 LBS
AK144 14.25" 14.00" 13.66" 3 3/4" 1-15/32" 23/32" -- 8.5 LBS
AK154 15.25" 15.00" 14.66" 3 3/4" 1-15/32" 23/32" -- 9.8 LBS
AK184 18.25" 18.00" 17.66" 3 3/4" 1-15/32" 23/32" -- 12.1 LBS
2AK V-Belt Pulleys:
Size Outside Diameter Pitch Diameter (4L/A) Pitch Diameter (3L) Type Dimension (F) Dimension (L) Dimension (P) Dimension (C) Pulley Weight
2AK20 2.00" 1.80" 1.46" 1 1-3/8" 1-21/32" 15/32" 3/16" 0.8 LBS
2AK21 2.15" 1.90" 1.56" 1 1-3/8" 1-21/32" 15/32" 3/16" 0.9 LBS
2AK22 2.25" 2.00" 1.66" 1 1-3/8" 1-21/32" 15/32" 3/16" 0.9 LBS
2AK23 2.35" 2.10" 1.76" 1 1-3/8" 1-21/32" 15/32" 3/16" 1.1 LBS
2AK25 2.55" 2.30" 1.96" 1 1-3/8" 1-21/32" 15/32" 3/16" 1.3 LBS
2AK26 2.65" 2.40" 2.06" 1 1-3/8" 1-21/32" 15/32" 3/16" 1.4 LBS
2AK27 2.75" 2.50" 2.16" 1 1-3/8" 1-21/32" 15/32" 3/16" 1.5 LBS
2AK28 2.85" 2.60" 2.26" 1 1-3/8" 1-21/32" 15/32" 3/16" 1.8 LBS
2AK30 3.05" 2.80" 2.46" 1 1-3/8" 1-21/32" 15/32" 3/16" 1.8 LBS
2AK32 3.25" 3.00" 2.66" 1 1-3/8" 1-21/32" 15/32" 3/16" 2.1 LBS
2AK34 3.45" 3.20" 2.86" 1 1-3/8" 1-21/32" 15/32" 3/16" 2.3 LBS
2AK39 3.75" 3.50" 3.16" 2 1-3/8" 1-11/32" 15/32" 1/2" 2.6 LBS
2AK41 3.95" 3.70" 3.36" 2 1-3/8" 1-11/32" 15/32" 1/2" 2.9 LBS
2AK44 4.25" 4.00" 3.66" 2 1-3/8" 1-11/32" 15/32" 1/2" 3.0 LBS
2AK46 4.45" 4.20" 3.86" 2 1-3/8" 1-11/32" 15/32" 1/2" 3.1 LBS
2AK49 4.75" 4.50" 4.16" 2 1-3/8" 1-11/32" 15/32" 1/2" 3.6 LBS
2AK51 4.95" 4.70" 4.36" 2 1-3/8" 1-11/32" 15/32" 1/2" 3.8 LBS
2AK54 5.25" 5.00" 4.66" 2 1-3/8" 1-11/32" 15/32" 1/2" 3.3 LBS
2AK56 5.45" 5.20" 4.86" 2 1-3/8" 1-11/32" 15/32" 1/2" 3.4 LBS
2AK59 5.75 " 5.50" 5.16" 2 1-3/8" 1-11/32" 15/32" 1/2" 3.5 LBS
2AK61 5.95" 5.70" 5.36" 3 1-3/8" 1-11/32" 15/32" 1/2" 3.6 LBS
2AK64 6.25" 6.00" 5.66" 3 1-3/8" 1-19/32" 11/32" 1/8" 4.8 LBS
2AK74 7.25" 7.00" 6.66" 3 1-3/8" 1-19/32" 11/32" 1/8" 5.6 LBS
2AK84 8.25" 8.00" 7.66" 3 1-3/8" 1-19/32" 11/32" 1/8" 6.4 LBS
2AK94 9.25" 9.00" 8.66" 3 1-3/8" 1-19/32" 11/32" 1/8" 7.3 LBS
2AK104 10.25" 10.00" 9.66" 3 1-3/8" 1-19/32" 11/32" 1/8" 8.1 LBS
2AK114 11.25" 11.00" 10.66" 3 1-3/8" 1-19/32" 11/32" 1/8" 9.0 LBS
2AK124 12.25" 12.00" 11.66" 3 1-3/8" 1-19/32" 11/32" 1/8" 9.8 LBS
2AK134 13.25" 13.00" 12.66" 3 1-3/8" 1-19/32" 11/32" 1/8" 12.3 LBS
2AK144 14.25" 14.00" 13.66" 3 1-3/8" 1-19/32" 11/32" 1/8" 13.9 LBS
2AK154 15.25" 15.00" 14.66" 3 1-3/8" 1-19/32" 11/32" 1/8" 14.3 LBS
2AK184 18.25" 18.00" 17.66" 3 1-3/8" 1-19/32" 11/32" 1/8" 17.4 LBS
AKH V-Belt Pulleys:
Size Outside Diameter Pitch Diameter (4L/A) Pitch Diameter (3L) Type Dimension (O.L.) Dimension (F) Dimension (L) Dimension (P) Dimension (C) Dimension (X) Dimension (G) Dimension (E) Pulley Weight (LBS)
AK30H 3.05" 2.80" 2.46" 1 1-13/16" 3/4" 1-1/4" 7/8" -- 1-3/16" 7/16" 3/16" 0.2
AK32H 3.25" 3.00" 2.66" 1 1-13/16" 3/4" 1-1/4" 7/8" -- 1-3/16" 7/16" 3/16" 0.3
AK34H 3.45" 3.20" 2.86" 2 1-1/2" 3/4" 1-1/4" 9/16" -- 7/8" 7/16" 3/16" 0.4
AK39H 3.75" 3.50" 3.16" 2 1-1/2" 3/4" 1-1/4" 9/16" -- 7/8" 7/16" 3/16" 0.5
AK41H 3.95" 3.70" 3.36" 2 1-1/2" 3/4" 1-1/4" 9/16" -- 7/8" 7/16" 3/16" 0.5
AK44H 4.25" 4.00" 3.66" 2 1-1/2" 3/4" 1-1/4" 9/16" -- 7/8" 7/16" 3/16" 0.5
AK46H 4.45" 4.20" 3.86" 2 1-1/2" 3/4" 1-1/4" 9/16" -- 7/8" 7/16" 3/16" 0.5
AK49H 4.75" 4.50" 4.16" 2 1-1/2" 3/4" 1-1/4" 9/16" -- 7/8" 7/16" 3/16" 0.6
AK51H 4.95" 4.70" 4.36" 2 1-1/2" 3/4" 1-1/4" 9/16" -- 7/8" 7/16" 3/16" 0.7
AK54H 5.25" 5.00" 4.66" 2 1-1/2" 3/4" 1-1/4" 9/16" -- 7/8" 7/16" 3/16" 0.7
AK56H 5.45" 5.20" 4.86" 2 1-1/2" 3/4" 1-1/4" 9/16" -- 7/8" 7/16" 3/16" 0.7
AK59H 5.75" 5.50" 5.16" 2 1-1/2" 3/4" 1-1/4" 9/16" -- 7/8" 7/16" 3/16" 0.9
AK61H 5.95" 5.70" 5.36" 3 1-1/2" 3/4" 1-1/4" 9/16" 0" 7/8" 7/16" 3/16" 1.4
AK64H 6.25" 6.00" 5.66" 3 1-1/2" 3/4" 1-1/4" 9/16" 0" 7/8" 7/16" 3/16" 1.5
AK66H 6.45" 6.20" 5.86" 3 1-1/2" 3/4" 1-1/4" 9/16" 0" 7/8" 7/16" 3/16" 1.5
AK69H 6.75" 6.50" 6.16" 3 1-1/2" 3/4" 1-1/4" 9/16" 0" 7/8" 7/16" 3/16" 1.5
AK71H 6.95" 6.70" 6.36" 3 1-1/2" 3/4" 1-1/4" 9/16" 0" 7/8" 7/16" 3/16" 1.7
AK74H 7.25" 7.00" 6.66" 3 1-1/2" 3/4" 1-1/4" 9/16" 0" 7/8" 7/16" 3/16" 1.7
AK79H 7.75" 7.50" 7.16" 3 1-1/2" 3/4" 1-1/4" 9/16" 0" 7/8" 7/16" 3/16" 1.8
AK84H 8.25" 8.00" 7.66" 3 1-1/2" 3/4" 1-1/4" 9/16" 0" 7/8" 7/16" 3/16" 1.9
AK89H 8.75" 8.50" 8.16" 3 1-1/2" 3/4" 1-1/4" 9/16" 0" 7/8" 7/16" 3/16" 2.0
AK94H 9.25" 9.00" 8.66" 3 1-1/2" 3/4" 1-1/4" 9/16" 0" 7/8" 7/16" 3/16" 2.1
AK99H 9.75" 9.50" 9.16" 3 1-1/2" 3/4" 1-1/4" 9/16" 0" 7/8" 7/16" 3/16" 2.2
AK104H 10.25" 10.00" 9.66" 3 1-1/2" 3/4" 1-1/4" 9/16" 0" 7/8" 7/16" 3/16" 2.3
AK109H 10.75" 10.50" 10.16" 3 1-1/2" 3/4" 1-1/4" 9/16" 0" 7/8" 7/16" 3/16" 3.5
AK114H 11.25" 11.00" 10.66" 3 1-1/2" 3/4" 1-1/4" 9/16" 0" 7/8" 7/16" 3/16" 3.8
AK124H 12.25" 12.00" 11.66" 3 1-1/2" 3/4" 1-1/4" 9/16" 0" 7/8" 7/16" 3/16" 3.4
AK134H 13.25" 13.00" 12.66" 3 1-1/2" 3/4" 1-1/4" 9/16" 0" 7/8" 7/16" 3/16" 4.0
AK144H 14.25" 14.00" 13.66" 3 1-1/2" 3/4" 1-1/4" 9/16" 0" 7/8" 7/16" 3/16" 3.8
AK154H 15.25" 15.00" 14.66" 3 1-1/2" 3/4" 1-1/4" 9/16" 0" 7/8" 7/16" 3/16" 4.3
AK184H 18.25" 18.00" 17.66" 3 1-1/2" 3/4" 1-1/4" 9/16" 0" 7/8" 7/16" 3/16" 4.5
2AKH V-Belt Pulleys:

Size Outside Diameter Pitch Diameter (4L/A) Pitch Diameter (3L) Type Dimension (O.L.) Dimension (F) Dimension (L) Dimension (P) Dimension (C) Dimension (X) Dimension (G) Dimension (E) Pulley Weight (LBS)
2AK30H 3.05" 2.80" 2.46" 1 2-7/16" 1-3/8" 1-1/4" 7/8" 15/16" 7/8" 7/16" 3/16" 1.4
2AK32H 3.25" 3.00" 2.66" 1 2-7/16" 1-3/8" 1-1/4" 7/8" 15/16" 7/8" 7/16" 3/16" 1.7
2AK34H 3.45" 3.20" 2.86" 1 2" 1-3/8" 1-1/4" 7/16" 1/2" 7/8" 7/16" 3/16" 1.8
2AK39H 3.75" 3.50" 3.16" 1 2" 1-3/8" 1-1/4" 7/16" 1/2" 7/8" 7/16" 3/16" 1.8
2AK41H 3.95" 3.70" 3.36" 2 1-1/2" 1-3/8" 1-1/4" 1/16" -- 7/8" 7/16" 3/16" 1.9
2AK44H 4.25" 4.00" 3.66" 2 1-1/2" 1-3/8" 1-1/4" 1/16" -- 7/8" 7/16" 3/16" 2.4
2AK46H 4.45" 4.20" 3.86" 2 1-1/2" 1-3/8" 1-1/4" 1/16" -- 7/8" 7/16" 3/16" 2.5
2AK49H 4.75" 4.50" 4.16" 2 1-1/2" 1-3/8" 1-1/4" 1/16" -- 7/8" 7/16" 3/16" 3.1
2AK51H 4.95" 4.70" 4.36" 2 1-1/2" 1-3/8" 1-1/4" 1/16" -- 7/8" 7/16" 3/16" 3.2
2AK54H 5.25" 5.00" 4.66" 2 1-1/2" 1-3/8" 1-1/4" 1/16" -- 7/8" 7/16" 3/16" 3.4
2AK56H 5.45" 5.20" 4.86" 2 1-1/2" 1-3/8" 1-1/4" 1/16" -- 7/8" 7/16" 3/16" 3.6
2AK59H 5.75" 5.50" 5.16" 3 1-1/2" 1-3/8" 1-1/4" 1/16" 0" 7/8" 7/16" 3/16" 3.4
2AK61H 5.95" 5.70" 5.36" 3 1-1/2" 1-3/8" 1-1/4" 1/16" 0" 7/8" 7/16" 3/16" 3.3
2AK64H 6.25" 6.00" 5.66" 3 1-1/2" 1-3/8" 1-1/4" 1/16" 0" 7/8" 7/16" 3/16" 3.9
2AK74H 7.25" 7.00" 6.66" 3 1-1/2" 1-3/8" 1-1/4" 1/16" 0" 7/8" 7/16" 3/16" 4.9
2AK84H 8.25" 8.00" 7.66" 3 1-1/2" 1-3/8" 1-1/4" 1/16" 0" 7/8" 7/16" 3/16" 5.8
2AK94H 9.25" 9.00" 8.66" 3 1-1/2" 1-3/8" 1-1/4" 1/16" 0" 7/8" 7/16" 3/16" 6.1
2AK104H 10.25" 10.00" 9.66" 3 1-1/2" 1-3/8" 1-1/4" 1/16" 0" 7/8" 7/16" 3/16" 7.7
2AK114H 11.25" 11.00" 10.66" 3 1-1/2" 1-3/8" 1-1/4" 1/16" 0" 7/8" 7/16" 3/16" 8.5
2AK124H 12.25" 12.00" 11.66" 3 1-1/2" 1-3/8" 1-1/4" 1/16" 0" 7/8" 7/16" 3/16" 9.5
2AK134H 13.25" 13.00" 12.66" 3 1-1/2" 1-3/8" 1-1/4" 1/16" 0" 7/8" 7/16" 3/16" 11.9
2AK144H 14.25" 14.00" 13.66" 3 1-1/2" 1-3/8" 1-1/4" 1/16" 0" 7/8" 7/16" 3/16" 11.9
2AK154H 15.25" 15.00" 14.66" 3 1-1/2" 1-3/8" 1-1/4" 1/16" 0" 7/8" 7/16" 3/16" 13.3
2AK184H 18.25" 18.00" 17.66" 3 1-1/2" 1-3/8" 1-1/4" 1/16" 0" 7/8" 7/16" 3/16" 16.8

About Us
Features
    • Premium V-Belt
    • Conforms To ARPM Standard IP 20
    • Extremely Durable
    • Oil & Heat Resistant

Accessories
V-Belt Sheave Wear Gauge | Pulley Wear Gauge
V-Belt Sheave Wear Gauge

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