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Belts

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Browning industrial V-belts in classical, narrow, and banded sections. Matching a belt to its sheave by catalog number keeps the drive within its rated tension and service life.

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Products in this category, with specifications, price, availability and quantity
Catalog #	Brand	Outside Length/Diameter (in)	Pitch Length	Construction Type	Belt Series	Price	Stock
B108	Browning	111 in	109.8	Wrapped	Classical Series - Inch	$37.77/ each	Available Check Availability
B112	Browning	115 in	113.8	Wrapped	Classical Series - Inch	$36.87/ each	Available Check Availability
B144	Browning	147 in	145.8	Wrapped	Classical Series - Inch	$45.66/ each	Available Check Availability
AA85	Browning	88.5 in	87.1	Wrapped	Classical Series - Inch	$149.98/ each	Available Check Availability
BB60	Browning	64.7 in	62.9	Wrapped	Classical Series - Inch	$155.14/ each	Available Check Availability
BB93	Browning	97.7 in	95.9	Wrapped	Classical Series - Inch	$232.62/ each	Available Check Availability
BB190	Browning	194.7 in	192.9	Wrapped	Classical Series - Inch	$351.60/ each	Available Check Availability
AX33	Browning	35.2 in	34.3	Cogged	TorqTitan	$13.24/ each	Available Check Availability
AX34	Browning	36.2 in	35.3	Cogged	TorqTitan	$13.53/ each	Available Check Availability
AX42	Browning	44.2 in	43.3	Cogged	TorqTitan	$15.73/ each	Available Check Availability
AX46	Browning	48.2 in	47.3	Cogged	TorqTitan	$16.45/ each	Available Check Availability
AX90	Browning	92.2 in	91.3	Cogged	TorqTitan	$28.34/ each	Available Check Availability
AX120	Browning	122.2 in	121.3	Cogged	TorqTitan	$48.60/ each	Available Check Availability
BX48	Browning	51 in	49.8	Cogged	TorqTitan	$24.50/ each	Available Check Availability
BX68	Browning	71 in	69.8	Cogged	TorqTitan	$30.16/ each	Available Check Availability
BX70	Browning	73 in	71.8	Cogged	TorqTitan	$30.98/ each	Available Check Availability
BX81	Browning	84 in	82.8	Cogged	TorqTitan	$35.65/ each	Available Check Availability
BX82	Browning	85 in	83.8	Cogged	TorqTitan	$36.56/ each	Available Check Availability
BX128	Browning	131 in	129.8	Cogged	TorqTitan	$55.77/ each	Available Check Availability
BX144	Browning	147 in	145.8	Cogged	Classical Series - Inch	$63.06/ each	Available Check Availability
5V2360	Browning	236 in	236	Wrapped	Narrow Series - Inch	$291.47/ each	Available Check Availability
8V1180	Browning	118 in	118	Wrapped	Narrow Series - Inch	$536.24/ each	Available Check Availability
B123	Browning	126 in	124.8	Wrapped	Classical Series - Inch	$45.74/ each	Available Check Availability
B191	Browning	194 in	192.8	Wrapped	Classical Series - Inch	$95.79/ each	Available Check Availability
AX21	Browning	23.2 in	22.3	Cogged	TorqTitan	$10.61/ each	Available Check Availability

About Belts

Every belt here is identified first by its section, which is the cross-section of the groove it has to run in, and then by its length. Four families cover the range. The fractional horsepower sections 2L, 3L, 4L and 5L are wrapped light-duty belts for single-belt drives. The classical sections A, B, C and D are the general-purpose industrial belts, stocked plain as Super Gripbelt and notched as Gripnotch and TorqTitan in the AX, BX and CX profiles. The narrow sections 3V, 5V and 8V do the same work in a smaller drive and are stocked plain and notched. Banded belts join several ribs into one unit for drives that pulse or run on long centers, and Double V belts drive on both sides for serpentine layouts.

Also known as: v-belts, v belts, drive belts, fhp belts, cogged belts

Series in this category

Browning belts — The full Browning belt range in one listing, including the FHP, classical, notched, narrow, banded and link-belt families.
V-belt sheaves — The sheaves grooved for these sections, in one to eight grooves, finished bore or bushed.
FHP sheaves — Single and two groove sheaves for the 3L, 4L and 5L fractional horsepower sections.
Tighteners and idlers — Grooved and flat-face idlers for tensioning a belt drive whose center distance cannot be moved.
Browning V-belt sheaves — The Browning sheave range on its own page, with the groove sections and bushing types set out together.

How to choose belts

Start with the section, which is a width and a depth: The fractional sections are the narrowest: 2L is 9/32 inch across the top, 3L is 3/8, 4L is 1/2 and 5L is 21/32. The classical sections are A at 1/2 by 5/16 inch, B at 21/32 by 7/16, C at 7/8 by 17/32 and D at 1 1/4 by 3/4. The narrow sections are 3V at 3/8 by 5/16 inch, 5V at 5/8 by 17/32 and 8V at 1 by 29/32. A belt only fits the groove cut for its own section.
Pick the family from the horsepower and the duty: The fractional sections are rated light duty for single-belt drives under about 3 horsepower and suit fans. The classical Super Gripbelt sections cover roughly 1 to 500 horsepower as general-purpose heavy duty industrial drives. The narrow 358 sections cover roughly 1 to 1,000 horsepower in a more compact drive, and the notched versions of both trade a little of that range for longer life on small diameters.
Notched or plain, and whether the drive has to slip: Notched belts are precision molded raw edge construction with the notches cut deep, which lets them bend around a small sheave more easily and run cooler, so they carry more horsepower in the same space. They are not used where the drive is meant to clutch, because the raw edge grips too well for a belt that has to slip on purpose. Plain wrapped belts are the choice there and run more quietly.
Check temperature and whether the belt must conduct: The wrapped narrow and fractional belts are listed with a working range up to 140 degrees Fahrenheit, and the classical wrapped belts are listed oil and heat resistant and static conducting. The EPDM notched belts run from minus 60 to 250 degrees Fahrenheit and are rated excellent for oil and heat. A drive in an explosive atmosphere must be grounded and must use static conducting belts.

Banded and Double V are for particular layouts

A banded belt is several ribs bonded into one unit, so the set cannot whip or jump off on a pulsating load or a long center drive, and its part number states the rib count, the section, whether it is notched and the length, as in 2GBBX56. Double V belts, listed in the AA, BB and CC sections, are the belt for a serpentine drive and are rated to about 200 horsepower.

Specifications explained

What each belts specification means
Specification	What it means
Belt section	The cross-section: 2L, 3L, 4L or 5L fractional, A, AA, B, BB, C or D classical, AX or BX notched, or 3V, 3VX, 5V, 5VX, 8V or 8VX narrow.
Belt series	The product family within the section, listed as Super Gripbelt, Gripnotch, TorqTitan, Gripband or FHP Belts.
Outside length and pitch length	The two ways a belt is measured. Both are listed, and a drive calculation has to use the one the tables were built on.
Product type	Wrapped belt, notched belt, banded belt, FHP belt or gearbelt, which is the construction rather than the section.
Operating temperature range	The working range of the compound, from minus 60 up to 250 degrees Fahrenheit on the notched EPDM belts.
Reinforcing cord material	Polyester, nylon, fiberglass, cotton or synthetic fiber, which is the tension member the belt's rating rests on.

Common questions

How is a V-belt measured?

Two ways, and both are listed against every stock number. Outside length is measured round the outside of the belt and is what the fractional and narrow part numbers state in tenths of an inch. Pitch length is measured at the belt's own pitch line and is the figure drive tables are built on. A 5L500 belt is 50.0 inches outside and 48.8 inches pitch, so the two are not interchangeable in a calculation.

Can I replace an A belt with an AX belt?

Yes, in the same length, and the drive will usually gain capacity. AX is the notched version of the same section, so it runs in the same A groove, and the stock lengths line up one for one with A and with 4L. The exception is a drive designed to slip, where the notched belt's raw edge grip works against you.

What does the X in 5VX mean?

It marks the notched profile. A 5V belt and a 5VX belt share the 5V section and run in the same groove, but the 5VX is molded with deep notches on its underside so it flexes more easily round a small sheave. Part numbers place it between the section and the length, so 5VX1180 is a notched 5V belt of 118.0 inches outside length.

How fast can a V-belt run?

Belt speed on cast iron sheaves is limited to 6,500 feet per minute, and that limit comes from the sheave material rather than the belt. Above 5,000 feet per minute the drive may need special or dynamic balancing. Below about 1,000 feet per minute a belt drive is usually not the best choice and a chain or gear drive should be considered instead.