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TIMKEN Europe
491A Disk Harrow Unit

491A Disk Harrow Unit

Product catalog summary

Advanced Seal Design
Molded, one-piece rubber integrated inner seal with a patented design effectively locks out dirt and moisture, offering a more advanced and effective seal compared to imports.

Maximum Service Life
The unit is equipped with Timken® Fafnir® high-quality ball bearings and features rugged construction with a stamped, heavy-gauge housing that is sturdier than imports. This design ensures faster, more positive alignment and a longer, more reliable service life.

Seal Maximizes Service Life
Advanced seal technology includes a molded, one-piece rubber-integrated inner seal, an auxiliary housing face seal, heavier seal contact, and a flexible composite retainer, making it more effective than imports.

Rugged Construction
The integral bearing/housing with stamped, heavy-gauge housing provides close clearance of stamping to inner ring shrouds, protecting the bearing. It includes a convenient lubrication fitting and is more durable than imports.

Quick, Sure Installation
The easy-handling, one-piece construction is designed for dynamic alignability. The composite retainer resists misalignment, ensuring faster, more positive alignment than imports.

Ordering Information
To order, contact your authorized distributor or local Timken sales office. For your nearest Timken sales representative, call 800-223-1954. Outside the U.S. and Canada, call 330-438-3000.

Specifications

Unit Number	Shaft Diameter	A	B	C	D	E	F REF	G	H	J	Extended Static Load Rating Co	Extended Dynamic Load Rating Ct
491A	1 3⁄4	1 3⁄4	4	5	1 17⁄32	5	2.279	1 23⁄6	1 5⁄8	17⁄64	4000 lbs.	8150 lbs.

Catalog excerpts

Fafnir® 491A Disk Harrow Unit Advanced Seal Design Maximum Service Life Molded, one-piece rubber integrated inner seal Equipped with Timken® Fafnir® high quality ball bearings Patented design locks out dirt and moisture More advanced, more effective seal than imports Rugged construction Stamped, heavy gage housing, sturdier than imports Faster, more positive alignment than imports Longer, more reliable service life Timken® Fafnir® 491A disk harrow un

Open the catalog to page 1

Unit number Seal Maximizes Service Life Advanced seal technology locks out dirt and moisture Molded, one-piece, rubberintegrated inner seal ■ Auxiliary housing face seal Heavier seal contact Flexible composite retainer More effective seal than imports Rugged Construction Integral bearing/housing Stamped, heavy gage housing Close clearance of stamping to inner ring shrouds, protects bearing ■ Convenient lubrication fitting More durable than imports Quick, Sure Installation Easy-handling, one-piece construction Designed-in dynamic alignability Composite retainer resists misalignment ■ Faster, more...

Open the catalog to page 2

491A Disk Harrow Unit

491A Disk Harrow Unit

Catalog excerpts

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