Idler Bearings | McMaster-Carr

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System of Measurement

Roller Diameter

Roller Profile

Roller Width

Roller Mount Type

Stud Diameter

Track Roller Type

Stud Length

Thread Size

Shaft Diameter

For Load Direction

Combined Radial and Thrust

Roller Material

Polyurethane Rubber

Stainless Steel

Dynamic Radial Load Capacity

Less than 1,000 lb.

1,000 lb. to 9,999 lb.

10,000 lb. to 19,999 lb.

20,000 lb. to 29,999 lb.

30,000 lb. or greater

With Seal

Stud Material

Stainless Steel

Bearing Type

Material

Polyurethane Rubber

Stainless Steel

Static Radial Load Capacity

Less than 10,000 lb.

10,000 lb. to 19,999 lb.

20,000 lb. to 29,999 lb.

30,000 lb. to 39,999 lb.

40,000 lb. or greater

Drive Style

Lubrication

Thread Length

RoHS

Compliant with Exemptions

REACH

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

Export Control Classification Number (ECCN)

DFARS Specialty Metals

How can we improve?

741 Products

Track Rollers

Threaded Track Rollers

Threaded Track Rollers

Support loads while guiding and positioning work

Shaft-Mount Track Rollers

Shaft-Mount Track Rollers

Mount on shafts or clevis rod ends

Maintenance-Free Threaded Track Rollers

Maintenance-Free Threaded Track Rollers

No need to relubricate - install these rollers in hard-to-reach places

Flanged Shaft-Mount Track Rollers

Flanged Shaft-Mount Track Rollers

Guide loads on angle rails and withstand radial and thrust loads

Flanged Threaded Track Rollers

Flanged Threaded Track Rollers

Thread into a component or secure with a nut for through-hole mounting

Thrust-Load-Rated Corrosion-Resistant Threaded Track Rollers

Thrust-Load-Rated Corrosion-Resistant Threaded Track Rollers

Withstand corrosion and brace against radial and thrust loads simultaneously

High-Load Threaded Track Rollers

High-Load Threaded Track Rollers

The highest combination of speed and dynamic radial load ratings we offer

Double-Flanged Track Rollers

Double-Flanged Track Rollers

Flanges on both sides guide rollers to help them stay on track

Thrust-Load-Rated Shaft-Mount Track Rollers

Thrust-Load-Rated Shaft-Mount Track Rollers

Withstand radial and thrust loads simultaneously

Shaft-Mount V-Groove Track Rollers

Shaft-Mount V-Groove Track Rollers

Mount on shafts and clevis rod ends to guide loads on angle rails

Threaded V-Groove Track Rollers with Adjustable Shoulder

Threaded V-Groove Track Rollers with Adjustable Shoulder

The shoulder adjusts up or down to align to your track

Maintenance-Free Ultra-Corrosion-Resistant Threaded Track Rollers

Maintenance-Free Ultra-Corrosion-Resistant Threaded Track Rollers

Withstand corrosion and don’t need to be relubricated

High-Load Shaft-Mount Track Rollers

High-Load Shaft-Mount Track Rollers

The highest combination of speed and dynamic radial load ratings we offer

Corrosion-Resistant Shaft-Mount Track Rollers

Corrosion-Resistant Shaft-Mount Track Rollers

Resist corrosion in damp environments

Threaded V-Groove Track Rollers

Threaded V-Groove Track Rollers

Thread the stud directly into a component or secure with a nut

Corrosion-Resistant Threaded Track Rollers

Corrosion-Resistant Threaded Track Rollers

Withstand corrosion in wet environments

Ultra-Quiet Threaded Track Rollers

Ultra-Quiet Threaded Track Rollers

Create less noise than the metal surfaces found on other track rollers

Threaded Track Rollers with Adjustable Shoulder

Threaded Track Rollers with Adjustable Shoulder

The shoulder adjusts up or down for uniform alignment in a roller system

Thrust-Load-Rated Threaded Track Rollers

Thrust-Load-Rated Threaded Track Rollers

Withstand radial and thrust loads simultaneously

High-Speed Shaft-Mount Track Rollers

High-Speed Shaft-Mount Track Rollers

Withstand higher speeds than standard shaft-mount track rollers

Miniature High-Load Threaded Track Rollers

Miniature High-Load Threaded Track Rollers

Support high radial load capacities in small movements without losing speed

Tapered Stud Track Rollers

Tapered Stud Track Rollers

Install with a set-screw where you can't access the back of the mounting hole

Angle Rails for V-Groove Track Rollers

Angle Rails for V-Groove Track Rollers

Pair these rails with any track rollers that have a 90° V-groove

Extreme-Temperature Threaded Track Rollers

Extreme-Temperature Threaded Track Rollers

Lubricated with graphite to withstand temperatures from -450° to 750° F

Miniature High-Speed Threaded Track Rollers

Miniature High-Speed Threaded Track Rollers

An outer ring that supports higher speeds than standard-sized track rollers

Light Duty Track Rollers and Guide Rails

Light Duty Track Rollers and Guide Rails

Nylon rollers and aluminum rails to move products in light duty applications

Corrosion-Resistant Track Rollers and Guide Rails

Corrosion-Resistant Track Rollers and Guide Rails

Resist corrosion better than our standard rollers and rails

Track Rollers and Guide Rails

Track Rollers and Guide Rails

Support loads and position work

Sanitary Shaft-Mount V-Groove Track Rollers

Sanitary Shaft-Mount V-Groove Track Rollers

Mount on shafts or clevis rod ends to guide loads on angle rails in sanitary areas

Sanitary Threaded V-Groove Track Rollers

Sanitary Threaded V-Groove Track Rollers

Guide loads on angle rails in food, pharmaceutical, and sanitary environments

Other Products

T-Slotted Framing Track Rollers

T-Slotted Framing Track Rollers

Load rated for carrying door frames and other hardware along a T-slotted framing track system

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)