Gates® Power Transmission Hi-Power® II BB173 Banded Heavy Duty Double V-Belt, BB Section, 21/32 in W Top, 176 in L Outside, 17/32 in THK, EPDM
Designed with a unique recessed top and bottom to maintain sidewall contact, while remaining flexible for belt drive applications that require power transmission from both sides of the belt.
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BrandGates® Power Transmission
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UPC72053203233
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Manufacturer Part NumberBB173
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CountryUSA|Canada
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Thickness17/32 in
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MaterialEPDM
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Top Width21/32 in
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Reinforced MaterialFlex-Bonded Polyester
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TypeBanded Heavy Duty
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Minimum Pulley Diameter5.73 in
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Section SizeBB
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Series9053
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Number of Ribs1
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Outside Length176 in
- Flex-bonded cords are strongly bonded to the body of the belt resulting in equal load distribution and the absorption of bending stress without cord deterioration
- The Flex-Weave® cover is constructed for longer cover life, providing extended protection to the core of the belt from oil, dirt and heat
- Gates® curves provide proper cord support and full contact with the sheave groove for uniform loading, uniform wear and increased belt life
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Alternative Part Number90530173
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UNSPSC26111801
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Package DescriptionEACH
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Standards/ApprovalsARPM/RMA IP-3-2/IP-3-3
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Catalog
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Specification Sheet
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Instruction/Installation Manual
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Gates® Power Transmission Hi-Power® II BB173 Banded Heavy Duty Double V-Belt, BB Section, 21/32 in W Top, 176 in L Outside, 17/32 in THK, EPDM
Designed with a unique recessed top and bottom to maintain sidewall contact, while remaining flexible for belt drive applications that require power transmission from both sides of the belt.
Sealmaster® gold mounted ball bearings feature a wide outer race insert bearing with land riding metallic retainer. The black oxide treated bearing steel insert features an exclusive lock pin and dimple system providing a direct path for lubrication into the bearing, and prevents outer ring rotation within the housing. Shaft lock is achieved by either setscrew or Skwezloc® concentric locking collar. The felt seal with flinger provide a good balance between contaminant entry, GoldPlex® HP grease loss and friction. Depending on your preference, these bearings are available in both inch and metric shaft sizes with a wide variety of cast iron, stamped steel or rubber mount housings, sealing, and lubrication options or industry specific solutions.
Gates® Power Transmission PowerGrip® HTD® 255-3M-15 Synchronous Belt, 15 mm W, 255 mm OAL, 3 mm Pitch, 85 Teeth, Neoprene
PowerGrip™ HTD belts have a larger, more robust tooth profile for increased capacity, as compared to timing belts. 3M and 5M belts are suitable for domestic appliances, office machines, electric hand tools and for applications in the processing and chemical industry. 8M, 14M and 20M belts are used in high-performance drives in the machine tool, paper and textile industries where durability and low maintenance are required.
Gates® Power Transmission PowerGrip® GT®3 425-5MGT-15 Synchronous Belt, 15 mm W, 425 mm OAL, 5 mm Pitch, 85 Teeth, Neoprene
PowerGrip™ GT3 belts are made of a highly advanced combination of materials designed to reduce both initial and operating costs. The entire PowerGrip GT3 belt range is suited both for new drive designs as well as for performance upgrades on existing drives. The 2MGT, 3MGT and 5MGT pitches are ideal for compact drives on hand tools, business machines, domestic appliances and high precision servomotor drives.
Gates® Power Transmission Poly Chain® GT® Carbon™ 8MGT-1792-12 Synchronous Belt, 12 mm W, 1792 mm OAL, 8 mm Pitch, 224 Teeth, Polyurethane
Give yourself a competitive advantage by designing in the Gates Poly Chain™ GT™ Carbon drive system instead of roller chain in your next power transmission application. The patented use of carbon fiber as the tensile cord in this belt provides increased horsepower rating for greater power density and compactness. When combined with Gates Poly Chain GT sprockets, you have a lightweight, long-lasting, maintenance-free system that's more than a match for roller chain.
Browning® mounted ball bearings feature multiple housing styles, materials and configurations, an extended inner race insert bearing with ball riding nylon retainer. The insert features a rivet to prevent outer ring rotation and is available with setscrew, eccentric, or BOA concentric locking collar. The contact seal, with black oxide treated flinger provides a good balance between contaminant resistance, grease loss and friction. Depending on your preference, these bearings are available in inch and metric bore with a wide variety of cast iron, stamped steel or rubber mount housings or specific industry solutions as illustrated on the pages to follow.

