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MasterDrive 3/B128 B-section classical wrapped V-belt, 128-inch outside length. Industrial neoprene compound with polyester tensile cord for heavy-duty power transmission in HVAC, agricultural, and general industrial applications. Provides reliable performance in multi-belt drives requiring matched sets.
MODEL 3/B128
Contact supplier for technical support on: 888-922-8767
$108.13 Each
Prices are subject to change
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Typically Ships in: 1 day
Returnable: See conditions
Bolt Circle Diameter
4 in
Bore Diameter
2.9375 in
Bore Type
Finished Bore with a Keyway
Bushing Size
3030
Bushing Type
Tapered Type
Finish/Coating
Black Phosphate
Keyway Size
3/4 X 1/4
Keyway Type
Shallow Key Seat
Length (in)
128
Length Through Bore
3 in
Number of Ribs
3
OD
4.25 in
Section
B
Series
3030 Series
Type
Tapered Bushings
Width (in)
0.66
Optibelt 3/B128 KB Krafbands with Classic V-Belts are designed for extreme shock loads or large center distances in combination with small diameter pulleys and vertical shafts.
SKU: 2337228
My mistake? fixed!
I needed a 3L330 V-Belt and somehow I think either I typed 5L330 although I was using an online conversion chart to match up belt numbers which might have had a typo there. The delivery is always good from MRO. I contacted MRO by email late that night after work with my silly situation and then rather than wait for a reply I ordered the right belt number so I could get the job done. I got a reply the next morning with instructions for the return procedure then the very next day I had the right belt delivered. Then I received another two contacts from the returns agent and customer support agent both telling me not to return the wrong belt and I would be refunded the purchase amount. Outstanding helpful support and the 'fastest delivery in the west'. MRO people are the best all around. Great products and extensive choices. I am retired now after 50 years in manufacturing equipment operations and maintenance with Nashua then Kellogg's but still I love working on machines and fixing things. MRO is a great source for many things even as small as a lawn & garden V-Belt they take care of the little guy too. Great people at MRO Supply.
Read moreSKU: 2339524
Masterdrive products
USED SEVERAL F-A QD WELD ON HUBS WITH ZERO PROBLEMS-USED LOTS OF INNER QD HUBS WITH ZERO PROBLEMS ALSO, CHEAP & HIGH QUALITY.
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SKU: 2337228
My mistake? fixed!
I needed a 3L330 V-Belt and somehow I think either I typed 5L330 although I was using an online conversion chart to match up belt numbers which might have had a typo there. The delivery is always good from MRO. I contacted MRO by email late that night after work with my silly situation and then rather than wait for a reply I ordered the right belt number so I could get the job done. I got a reply the next morning with instructions for the return procedure then the very next day I had the right belt delivered. Then I received another two contacts from the returns agent and customer support agent both telling me not to return the wrong belt and I would be refunded the purchase amount. Outstanding helpful support and the 'fastest delivery in the west'. MRO people are the best all around. Great products and extensive choices. I am retired now after 50 years in manufacturing equipment operations and maintenance with Nashua then Kellogg's but still I love working on machines and fixing things. MRO is a great source for many things even as small as a lawn & garden V-Belt they take care of the little guy too. Great people at MRO Supply.
Read moreSKU: 2339524
Masterdrive products
USED SEVERAL F-A QD WELD ON HUBS WITH ZERO PROBLEMS-USED LOTS OF INNER QD HUBS WITH ZERO PROBLEMS ALSO, CHEAP & HIGH QUALITY.
Read more