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GATES V-Belt: B139, 4 Ribs, 142 in Outside Lg, 2 29/32 in Top Wd, 13/32 in Thick - B Section Banded V-Belts
GATESB Section Banded V-Belts

GATES V-Belt: B139, 4 Ribs, 142 in Outside Lg, 2 29/32 in Top Wd, 13/32 in Thick

The GATES V-Belt: B139 is a B Section Banded V-Belt with 4 ribs, constructed from SBR material. It has a top width of 2 29/32 inches, a thickness of 13/32 inch, an outside length of 142 inches, and a nominal length…

SKU 3G-OTH-114941

Also listed as: 4B139 · 4 B139 · 4-B139

Brand
GATES
Item
V-Belt: B139, 4 Ribs, 142 in Outside Lg, 2 29/32 in Top Wd, 13/32 in Thick
Category
B Section Banded V-Belts
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Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

GATES
Manufacturer Part Number
4/B139
Top Wd
2 29/32 in
Ribs
4
Thick
13/32 in
Nominal Lg
142 in
Outside Lg
142 in
Belt Material
SBR
Base Industry Number (without number of ribs)
B139

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GATES Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The GATES V-Belt: B139 is a B Section Banded V-Belt with 4 ribs, constructed from SBR material. It has a top width of 2 29/32 inches, a thickness of 13/32 inch, an outside length of 142 inches, and a nominal length of 142 inches, with the base industry number B139.

Frequently Asked Questions

What is the GATES B139 V-belt used for?

The GATES B139 banded V-belt is used in industrial power transmission systems requiring multiple belts to run in parallel, such as pumps, compressors, and conveyors. Its 4-rib design prevents belt turnover and whipping under heavy loads, ensuring reliable operation across machining, material handling, and HVAC applications.

What are the specifications of the GATES 4/B139 V-belt?

The GATES 4/B139 is a B Section banded V-belt with 4 ribs, a top width of 2 29/32 in, thickness of 13/32 in, outside length of 142 in, and nominal length of 142 in. It is made from SBR rubber and carries the base industry number B139. The manufacturer part number is 4/B139.

Where to buy the GATES B139 V-belt worldwide?

3G Electric supplies the GATES B139 V-belt worldwide, handling full logistics and customs clearance for international orders. As a global industrial solutions provider, we source genuine GATES belts and deliver to your facility. Contact us for pricing and lead time on this 4-rib banded V-belt.

How to select the right GATES banded V-belt for my application?

To select the correct GATES banded V-belt, match the belt section (B), number of ribs (4), and length (142 in outside) to your pulley groove dimensions and center distance. Verify the base industry number B139 and ensure the SBR material suits your operating temperature and exposure to oil or chemicals. Consult a GATES catalog for load ratings.

Used in

Common applications for GATES
Packaging machinery — GATES PowerGrip® HTD® belts for precise indexing and high-torque conveyor drives
CNC machining centers — GATES PowerGrip® trapezoidal belts (H section) for spindle and axis synchronization
Printing presses — GATES PowerGrip® GT®2 Twin Power® dual-sided belts for serpentine roller drives
Material handling systems — GATES PowerGrip® L section belts for light-duty conveyor and transfer applications
Compressor and pump drives — GATES PowerGrip® HTD® belts for high-load, low-slip power transmission
Automated assembly lines — GATES MXL section miniature belts for small-scale precision positioning

GATES Products

3G Electric supplies GATES b section banded v-belts. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Compatible alternatives & equivalents

Cross-referenced by specification & description
GATES V-Belt: B141, 5 Ribs, 144 in Outside Lg, 3 21/32 in Top Wd, 13/32 in Thick, 144 in Nominal Lg (MPN 5/B141)
GATES
GATES V-Belt: B141, 5 Ribs, 144 in Outside Lg, 3 21/32 in Top Wd, 13/32 in Thick, 144 in Nominal Lg (MPN 5/B141)
GATES V-Belt: B91, 2 Ribs, 94 in Outside Lg, 1 13/32 in Top Wd, 13/32 in Thick, 94 in Nominal Lg (MPN 2/B91)
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GATES V-Belt: B91, 2 Ribs, 94 in Outside Lg, 1 13/32 in Top Wd, 13/32 in Thick, 94 in Nominal Lg (MPN 2/B91)
GATES V-Belt: B40, 2 Ribs, 43 in Outside Lg, 1 13/32 in Top Wd, 13/32 in Thick, 43 in Nominal Lg (MPN 2/B40)
GATES
GATES V-Belt: B40, 2 Ribs, 43 in Outside Lg, 1 13/32 in Top Wd, 13/32 in Thick, 43 in Nominal Lg (MPN 2/B40)
GATES V-Belt: B38, 2 Ribs, 41 in Outside Lg, 1 13/32 in Top Wd, 13/32 in Thick, 41 in Nominal Lg (MPN 2/B38)
GATES
GATES V-Belt: B38, 2 Ribs, 41 in Outside Lg, 1 13/32 in Top Wd, 13/32 in Thick, 41 in Nominal Lg (MPN 2/B38)
GATES Wedge V-Belt: B139, 142 in Outside Lg, 21/32 in Top Wd, 13/32 in Thick, Polyester
GATES
GATES Wedge V-Belt: B139, 142 in Outside Lg, 21/32 in Top Wd, 13/32 in Thick, Polyester
GATES V-Belt: A136, 2 Ribs, 138 in Outside Lg, 1 1/8 in Top Wd, 5/16 in Thick, 138 in Nominal Lg (MPN 2/A136)
GATES
GATES V-Belt: A136, 2 Ribs, 138 in Outside Lg, 1 1/8 in Top Wd, 5/16 in Thick, 138 in Nominal Lg (MPN 2/A136)

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GATES V-Belt: B160, 3 Ribs, 163 in Outside Lg, 2 5/32 in Top Wd, 13/32 in Thick, 163 in Nominal Lg (MPN 3/B160)
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GATES V-Belt: B160, 3 Ribs, 163 in Outside Lg, 2 5/32 in Top Wd, 13/32 in Thick, 163 in Nominal Lg (MPN 3/B160)
GATES V-Belt: A54, 2 Ribs, 56 in Outside Lg, 1 1/8 in Top Wd, 5/16 in Thick, 56 in Nominal Lg, SBR (MPN 2/A54)
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GATES V-Belt: A54, 2 Ribs, 56 in Outside Lg, 1 1/8 in Top Wd, 5/16 in Thick, 56 in Nominal Lg, SBR (MPN 2/A54)
GATES V-Belt: A74, 2 Ribs, 76 in Outside Lg, 1 1/8 in Top Wd, 5/16 in Thick, 76 in Nominal Lg, SBR (MPN 2/A74)
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GATES V-Belt: A74, 2 Ribs, 76 in Outside Lg, 1 1/8 in Top Wd, 5/16 in Thick, 76 in Nominal Lg, SBR (MPN 2/A74)
GATES V-Belt: B43, 5 Ribs, 46 in Outside Lg, 3 21/32 in Top Wd, 13/32 in Thick, 46 in Nominal Lg (MPN 5/B43)
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GATES V-Belt: B43, 5 Ribs, 46 in Outside Lg, 3 21/32 in Top Wd, 13/32 in Thick, 46 in Nominal Lg (MPN 5/B43)
GATES V-Belt: A47, 2 Ribs, 49 in Outside Lg, 1 1/8 in Top Wd, 5/16 in Thick, 49 in Nominal Lg, SBR (MPN 2/A47)
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GATES V-Belt: A47, 2 Ribs, 49 in Outside Lg, 1 1/8 in Top Wd, 5/16 in Thick, 49 in Nominal Lg, SBR (MPN 2/A47)
GATES V-Belt: B47, 5 Ribs, 50 in Outside Lg, 3 21/32 in Top Wd, 13/32 in Thick, 50 in Nominal Lg (MPN 5/B47)
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GATES V-Belt: B47, 5 Ribs, 50 in Outside Lg, 3 21/32 in Top Wd, 13/32 in Thick, 50 in Nominal Lg (MPN 5/B47)
GATES V-Belt: A49, 3 Ribs, 51 in Outside Lg, 1 3/4 in Top Wd, 5/16 in Thick, 51 in Nominal Lg, SBR (MPN 3/A49)
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GATES V-Belt: A49, 3 Ribs, 51 in Outside Lg, 1 3/4 in Top Wd, 5/16 in Thick, 51 in Nominal Lg, SBR (MPN 3/A49)
GATES V-Belt: B35, 3 Ribs, 38 in Outside Lg, 2 5/32 in Top Wd, 13/32 in Thick, 38 in Nominal Lg, SBR (MPN 3/B35)
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GATES V-Belt: B35, 3 Ribs, 38 in Outside Lg, 2 5/32 in Top Wd, 13/32 in Thick, 38 in Nominal Lg, SBR (MPN 3/B35)