Brewer Machine & Gear

Brewer Machine & Gear Co. authorized distributor

Brewer tensioners, idlers, and drive components

Brewer has been building industrial tensioners and idlers in St. Louis since 1944. We stock the full catalog (212 SKUs) in Houston and ship same-day on orders placed by 2pm Central.

Browse the full Brewer catalog
212
SKUs stocked
4
CAD formats per part
2pm CT
Same-day ship cutoff
1944
Family-owned since

Shop by category

T
Tensioners & Positioners
Universal Drive Tensioner® lineup. 17 series across base, flange, shaft, screw, slide, spring, and heavy duty mounts.
38 PRODUCTS ›
V
V-Belt Idler Pulleys
13V (5/8" top width) and 15V (3/4") sections. Cast iron with bronze, needle, or ball bearings.
31 PRODUCTS ›
F
Flat Belt Idler Pulleys
Crown face for belt tracking. Cast iron and composite nylon. Includes flanged variants.
27 PRODUCTS ›
S
Idler Sprockets
ASA chain 25 through 80. Steel and nylon. B-style (single/double width) and A-style configurations.
49 PRODUCTS ›
H
Timing & HTD Idlers
Powergrip H.T.D.® toothed pulleys. 8mm and 14mm pitch. Needle bearing standard.
14 PRODUCTS ›
B
Idler Bushings
QD and taperlock series. Ball or needle bearing. Drop-in retrofit for existing tapered or Q.D. bushed mounts.
18 PRODUCTS ›
M
Mounting Adapters
Bore inserts, clevis brackets, shoulder washers. Use to mate tensioners to non-standard frames.
19 PRODUCTS ›
I
Idler Shafts & Studs
Plated steel shafts (set collar included) and studs. Required separates for most tensioner installs.
16 PRODUCTS ›

Why Brewer is specified on industrial drives

Brewer holds the original patent on the Universal Drive Tensioner®, a design that solved the chain vibration and shock loading problems plaguing industrial drives in the 1940s. The basic geometry hasn't changed because it didn't need to. What has changed is the breadth of the line: 17 tensioner series, hundreds of idler pulleys and sprockets, and complete accessory assemblies, all built in the same St. Louis facility.

Brewer parts show up in conveyor systems, packaging lines, paper mills, food processing equipment, agricultural machinery, mining drives, and OEM equipment build-outs. They're the default spec for engineers who need predictable tensioning over long maintenance cycles. Many positions cross-reference to Browning and Lovejoy, and we publish those interchanges on the product pages where they exist.

We're an authorized Brewer distributor. Every part we ship is genuine and carries Brewer's full warranty. When you order for an aging machine and Brewer's records show a revised version, we catch the swap before it ships. And we have direct access to Brewer's engineering team for application questions we can't answer ourselves.

Two lines worth knowing about

Universal Drive Tensioner®

Brewer's flagship. Manually set chain or belt tension to a precise value and lock it. Reverse motion capable. Works on chain drives, V-belt drives, flat belt drives, and timing belt drives across all 17 series.

VIEW TENSIONERS ›

Powergrip H.T.D.® Idlers

Toothed idler pulleys for high torque timing belt drives. Interfaces cleanly with Gates Powergrip® H.T.D. belts without compromising tooth engagement. 8mm and 14mm pitch.

VIEW HTD IDLERS ›

Common questions

Are Brewer tensioners compatible with Browning?
Many are. Brewer publishes cross-reference data for common interchanges. For example, the Brewer GSL crosses to the Browning ATQ-1, and the 13V series V-belt idlers cross to several Browning part numbers. Each Brewer product page on our site lists the published interchange where one exists. If you have a Browning part number you need to cross, send it over and we'll pull the equivalent.
How fast does Brewer ship from your warehouse?
Texas Belting stocks the full Brewer catalog in Houston. Orders placed by 2 PM Central ship the same business day via UPS or LTL depending on size. For freight quotes on heavy assemblies or LTL orders, call us before placing the order.
Can Brewer make custom or modified parts?
Yes. Brewer's made-to-order program handles modifications to existing tensioners (alternate mounting hole patterns, modified shaft lengths, custom finishes) and complete custom assemblies for OEM applications. Pricing depends on complexity and quantity. Send us your spec or a sketch and we'll work with Brewer's engineering team to quote it.
Universal Drive Tensioner vs spring-loaded tensioner. Which do I want?
The Universal Drive Tensioner uses a manually adjustable pivot mechanism to set tension to a specific value and hold it. Spring-loaded tensioners maintain constant tension automatically but can transmit shock loads back to the drive. Brewer makes both. The T-series is the spring/automatic line. The broader Universal Drive lineup (S, A, H, L, G, R, GS, RS, X, BB, MHL, MSL, MVL series) is for fixed tension setups. The right choice depends on whether your drive has chain stretch you need to compensate for or whether you're locking in tension at install.

Don't see your part number?

We can quote modifications to existing Brewer parts, alternate mounting configurations, or full custom assemblies for OEM applications.

CALL 888.203.2358 or EMAIL US
Texas Belting & Supply is an authorized distributor of Brewer Machine & Gear Co. Universal Drive Tensioner® and Powergrip H.T.D.® are registered trademarks of Brewer Machine & Gear Co. Powergrip® is a registered trademark of Gates Corporation.