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Your Source for Idlers, Pulleys, Conveyors, Impact Beds, and more. Made in the U.S.A..

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MJ Dunn Idlers Pulleys Conveyors

IDLERS

M J Dunn has been manufacturing "CB-504" Style Belt Conveyor Idlers since 1946 and supplying the Sand and Gravel, Asphalt, Mining, Soil Processing, Grain Handling, Concrete, Ready-Mix, Aggregate and Agriculture markets with "American Made" Idlers that give the service customers demand.

(alt="steelrollers")

steel rollers

A. HEAVY GAUGE ROLLER SHELL
For maximum Strength
B. SMOOTH WELDED ROLLER EDGE
Maximum roll support and no sharp edges.
C. POSITIVE SEAL
Bearings are sealed for life.
D. 100% CONTACT
Between stub shaft and mounting block for strength and positive grip.
E. HARDENED STUB SHAFT
For long life.
F. PRECISION GROUND BEARINGS
For long life, smooth operation and heavy loading.
G. PRECISE FIT
Between bearing and roller. Will not loosen under heavy duty, continuous operation.

(alt="3 roll steel roller 20 degree")

3-Roll Steel Rollers 20-Degree

(alt="3 roll steel roller 35 degree")

3-Roll Steel Rollers 35-Degree

(alt="3 roll steel roller 20 degree low head room")

3-Roll Steel Rollers 20-Degree Channel-Mount Low-Headroom

(alt="3 roll steel roller 35 degree low head room")

3-Roll Steel Rollers 35-Degree Channel-Mount Low-Headroom

(alt="3 roll steel roller 20 degree picking long center")

3-Roll Steel Rollers 20-Degree Picking Long Center

(alt="4 and 5 roll steel 40 degree top mount channel")

4 & 5-Roll Steel Rollers 40-Degree Top Mount Channel Mount

(alt="steel rollers return carrier")

Steel Rollers Return/Carrier

(alt="self cleaning beater-bar roller")

Self-Cleaning Beater-Bar Rollers Return/Carrier

(alt="live shaft beater-bar returns")

Live-Shaft Beater-Bar Returns

(alt="training troughing return idlers")

Training Troughing & Return Idlers

(alt="side guide rollers")

Side Guide Rollers

(alt="rubber impact rollers")

Rubber-Impact Rollers

H. LARGE GREASE CAVITY
Holds plenty of lubricant for long life.
I. SOLID MOLDED RUBBER DISCS
For maximum impact resistance.
J. SELF ALIGNING
Bearings to stub shaft for continuous alignment.
K. DRILLED MOUNTING BLOCK
For strength and positive grip.
L. REPLACEABLE COMPONENTS
Only repair or replace what you need to.
M. EXTRA HEAVY WALL TUBE
For extra strength in heavy-impact applications.

(alt="3 roll rubber 20 degree")

3-Roll Rubber-Impact Idler 20-Degree

(alt="3 roll rubber 35 degree)

3-Roll Rubber-Impact Idler 35-Degree

(alt="3 roll rubber channel mount low head 20 degree)

3-Roll Rubber-Impact Idler Channel-Mount Low-Headroom 20-degree

(alt="rubber roller returrn carrier")

Rubber-Impact Rollers Return/Carrier

(alt="rubber disc return)

Rubber Disc Returns

(alt="live shaft rubber return carrier")

Live Shaft Rubber-Impact Return/Carrier

Instructions for ordering non-standard length CB-504 Style Rollers.

Replacement parts/numbers, including: rollers with bearings, stub shafts, troughing idler brackets, return idler brackets, and more.

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