Maximum Rubbing Speed Maximum Rubbing Speed |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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Metal-Free Brake and Clutch Lining
Also known as nonmetallic molded strips and friction material, these can be riveted or bonded. They do not contain asbestos.
| Thick. | Wd. | Max. Rubbing Speed | Max. Coefficient of Friction | Max. Temp., °F | Max. Pressure, psi | 1 ft. | 2 ft. | 3 ft. | 4 ft. | 5 ft. | 6 ft. | 10 ft. | 15 ft. | |
Molded | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 3/16" | 1" | 4,000 fpm @ 250 psi | 0.47 | 480° | 250 | 00000000 | ||||||||
| 3/16" | 1 1/4" | 4,000 fpm @ 250 psi | 0.47 | 480° | 250 | 00000000 | ||||||||
| 3/16" | 1 1/2" | 4,000 fpm @ 250 psi | 0.47 | 480° | 250 | 00000000 | ||||||||
| 3/16" | 1 3/4" | 4,000 fpm @ 250 psi | 0.47 | 480° | 250 | 00000000 | ||||||||
| 3/16" | 2" | 4,000 fpm @ 250 psi | 0.47 | 480° | 250 | 00000000 | ||||||||
| 3/16" | 2 1/4" | 4,000 fpm @ 250 psi | 0.47 | 480° | 250 | 00000000 | ||||||||
| 3/16" | 2 1/2" | 4,000 fpm @ 250 psi | 0.47 | 480° | 250 | 00000000 | ||||||||
| 3/16" | 2 3/4" | 4,000 fpm @ 250 psi | 0.47 | 480° | 250 | 00000000 | ||||||||
| 3/16" | 3" | 4,000 fpm @ 250 psi | 0.47 | 480° | 250 | 00000000 | ||||||||
| 3/16" | 4" | 4,000 fpm @ 250 psi | 0.47 | 480° | 250 | 00000000 | ||||||||
| 3/16" | 5" | 4,000 fpm @ 250 psi | 0.47 | 480° | 250 | 00000000 | ||||||||
| 3/16" | 6" | 4,000 fpm @ 250 psi | 0.47 | 480° | 250 | 00000000 | ||||||||
| 1/4" | 1" | 4,000 fpm @ 250 psi | 0.47 | 480° | 250 | 00000000 | ||||||||
| 1/4" | 1 1/4" | 4,000 fpm @ 250 psi | 0.47 | 480° | 250 | 00000000 | ||||||||
| 1/4" | 1 1/2" | 4,000 fpm @ 250 psi | 0.47 | 480° | 250 | 00000000 | ||||||||
| 1/4" | 1 3/4" | 4,000 fpm @ 250 psi | 0.47 | 480° | 250 | 00000000 | ||||||||
| 1/4" | 2" | 4,000 fpm @ 250 psi | 0.47 | 480° | 250 | 00000000 | ||||||||
| 1/4" | 2 1/4" | 4,000 fpm @ 250 psi | 0.47 | 480° | 250 | 00000000 | ||||||||
| 1/4" | 2 1/2" | 4,000 fpm @ 250 psi | 0.47 | 480° | 250 | 00000000 | ||||||||
| 1/4" | 3" | 4,000 fpm @ 250 psi | 0.47 | 480° | 250 | 00000000 | ||||||||
| 1/4" | 3 1/2" | 4,000 fpm @ 250 psi | 0.47 | 480° | 250 | 00000000 | ||||||||
| 1/4" | 4" | 4,000 fpm @ 250 psi | 0.47 | 480° | 250 | 00000000 | ||||||||
| 1/4" | 5" | 4,000 fpm @ 250 psi | 0.47 | 480° | 250 | 00000000 | ||||||||
| 1/4" | 6" | 4,000 fpm @ 250 psi | 0.47 | 480° | 250 | 00000000 | ||||||||
| 5/16" | 2" | 4,000 fpm @ 250 psi | 0.47 | 480° | 250 | 00000000 | ||||||||
| 5/16" | 2 1/2" | 4,000 fpm @ 250 psi | 0.47 | 480° | 250 | 00000000 | ||||||||
| 5/16" | 3" | 4,000 fpm @ 250 psi | 0.47 | 480° | 250 | 00000000 | ||||||||
| 5/16" | 4" | 4,000 fpm @ 250 psi | 0.47 | 480° | 250 | 00000000 | ||||||||
| 3/8" | 2" | 4,000 fpm @ 250 psi | 0.47 | 480° | 250 | 00000000 | ||||||||
| 3/8" | 2 1/2" | 4,000 fpm @ 250 psi | 0.47 | 480° | 250 | 00000000 | ||||||||
| 3/8" | 3" | 4,000 fpm @ 250 psi | 0.47 | 480° | 250 | 00000000 | ||||||||
| 3/8" | 3 1/2" | 4,000 fpm @ 250 psi | 0.47 | 480° | 250 | 00000000 | ||||||||
| 3/8" | 4" | 4,000 fpm @ 250 psi | 0.47 | 480° | 250 | 00000000 | ||||||||
| 3/8" | 4 1/2" | 4,000 fpm @ 250 psi | 0.47 | 480° | 250 | 00000000 | ||||||||
| 3/8" | 5" | 4,000 fpm @ 250 psi | 0.47 | 480° | 250 | 00000000 | ||||||||
| 3/8" | 6" | 4,000 fpm @ 250 psi | 0.47 | 480° | 250 | 00000000 | ||||||||
| 3/8" | 7" | 4,000 fpm @ 250 psi | 0.47 | 480° | 250 | 00000000 | ||||||||
| 3/8" | 8" | 4,000 fpm @ 250 psi | 0.47 | 480° | 250 | 00000000 | ||||||||
High-Friction Brake and Clutch Lining
With a high maximum coefficient of friction, these sheets provide immediate engagement. Also known as friction material, they can be riveted or bonded. They do not contain asbestos.
| Thick. | Max. Rubbing Speed | Max. Coefficient of Friction | Max. Temp., °F | Max. Pressure, psi | Each | |
7 1/2" × 7 1/2" | ||||||
|---|---|---|---|---|---|---|
Molded | ||||||
| 1/8" | 5,000 fpm @ 500 psi | 0.55 | 550° | 500 | 00000000 | 000000 |
| 3/16" | 5,000 fpm @ 500 psi | 0.55 | 550° | 500 | 00000000 | 00000 |
| 1/4" | 5,000 fpm @ 500 psi | 0.55 | 550° | 500 | 00000000 | 00000 |
| 5/16" | 5,000 fpm @ 500 psi | 0.55 | 550° | 500 | 00000000 | 00000 |
| 3/8" | 5,000 fpm @ 500 psi | 0.55 | 550° | 500 | 00000000 | 00000 |
| 1/2" | 5,000 fpm @ 500 psi | 0.55 | 550° | 500 | 00000000 | 00000 |
| 5/8" | 5,000 fpm @ 500 psi | 0.55 | 550° | 500 | 00000000 | 00000 |
| 3/4" | 5,000 fpm @ 500 psi | 0.55 | 550° | 500 | 00000000 | 00000 |
15" × 15" | ||||||
Molded | ||||||
| 1/8" | 5,000 fpm @ 500 psi | 0.55 | 550° | 500 | 00000000 | 00000 |
| 3/16" | 5,000 fpm @ 500 psi | 0.55 | 550° | 500 | 00000000 | 00000 |
| 1/4" | 5,000 fpm @ 500 psi | 0.55 | 550° | 500 | 00000000 | 00000 |
| 5/16" | 5,000 fpm @ 500 psi | 0.55 | 550° | 500 | 00000000 | 00000 |
| 3/8" | 5,000 fpm @ 500 psi | 0.55 | 550° | 500 | 00000000 | 00000 |
| 1/2" | 5,000 fpm @ 500 psi | 0.55 | 550° | 500 | 00000000 | 000000 |
| 5/8" | 5,000 fpm @ 500 psi | 0.55 | 550° | 500 | 00000000 | 000000 |
| 3/4" | 5,000 fpm @ 500 psi | 0.55 | 550° | 500 | 00000000 | 000000 |
30" × 30" | ||||||
Molded | ||||||
| 1/8" | 5,000 fpm @ 500 psi | 0.55 | 550° | 500 | 00000000 | 000000 |
| 3/16" | 5,000 fpm @ 500 psi | 0.55 | 550° | 500 | 00000000 | 000000 |
| 1/4" | 5,000 fpm @ 500 psi | 0.55 | 550° | 500 | 00000000 | 000000 |
| 5/16" | 5,000 fpm @ 500 psi | 0.55 | 550° | 500 | 00000000 | 000000 |
| 3/8" | 5,000 fpm @ 500 psi | 0.55 | 550° | 500 | 00000000 | 000000 |
| 1/2" | 5,000 fpm @ 500 psi | 0.55 | 550° | 500 | 00000000 | 000000 |
| 5/8" | 5,000 fpm @ 500 psi | 0.55 | 550° | 500 | 00000000 | 000000 |
| 3/4" | 5,000 fpm @ 500 psi | 0.55 | 550° | 500 | 00000000 | 000000 |
High-Strength Brake and Clutch Lining
Also known as semimetallic woven strips and friction material, these strips have a brass wire woven into the material to increase strength and improve heat dissipation. They can be riveted or bonded. They do not contain asbestos.
| Thick. | Wd. | Max. Rubbing Speed | Max. Coefficient of Friction | Max. Temp., °F | Max. Pressure, psi | 1 ft. | 2 ft. | 3 ft. | 4 ft. | 5 ft. | 6 ft. | 10 ft. | 15 ft. | 20 ft. | 25 ft. | |
Woven | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 3/16" | 1" | 5,000 fpm @ 200 psi | 0.51 | 500° | 200 | 00000000 | ||||||||||
| 3/16" | 1 1/4" | 5,000 fpm @ 200 psi | 0.51 | 500° | 200 | 00000000 | ||||||||||
| 3/16" | 1 1/2" | 5,000 fpm @ 200 psi | 0.51 | 500° | 200 | 00000000 | ||||||||||
| 3/16" | 1 3/4" | 5,000 fpm @ 200 psi | 0.51 | 500° | 200 | 00000000 | ||||||||||
| 3/16" | 2" | 5,000 fpm @ 200 psi | 0.51 | 500° | 200 | 00000000 | ||||||||||
| 3/16" | 2 1/2" | 5,000 fpm @ 200 psi | 0.51 | 500° | 200 | 00000000 | ||||||||||
| 3/16" | 3" | 5,000 fpm @ 200 psi | 0.51 | 500° | 200 | 00000000 | ||||||||||
| 1/4" | 1" | 5,000 fpm @ 200 psi | 0.51 | 500° | 200 | 00000000 | ||||||||||
| 1/4" | 1 1/4" | 5,000 fpm @ 200 psi | 0.51 | 500° | 200 | 00000000 | ||||||||||
| 1/4" | 1 1/2" | 5,000 fpm @ 200 psi | 0.51 | 500° | 200 | 00000000 | ||||||||||
| 1/4" | 1 3/4" | 5,000 fpm @ 200 psi | 0.51 | 500° | 200 | 00000000 | ||||||||||
| 1/4" | 2" | 5,000 fpm @ 200 psi | 0.51 | 500° | 200 | 00000000 | ||||||||||
| 1/4" | 2 1/4" | 5,000 fpm @ 200 psi | 0.51 | 500° | 200 | 00000000 | ||||||||||
| 1/4" | 2 1/2" | 5,000 fpm @ 200 psi | 0.51 | 500° | 200 | 00000000 | ||||||||||
| 1/4" | 2 3/4" | 5,000 fpm @ 200 psi | 0.51 | 500° | 200 | 00000000 | ||||||||||
| 1/4" | 3" | 5,000 fpm @ 200 psi | 0.51 | 500° | 200 | 00000000 | ||||||||||
| 1/4" | 3 1/2" | 5,000 fpm @ 200 psi | 0.51 | 500° | 200 | 00000000 | ||||||||||
| 1/4" | 4" | 5,000 fpm @ 200 psi | 0.51 | 500° | 200 | 00000000 | ||||||||||
| 1/4" | 5" | 5,000 fpm @ 200 psi | 0.51 | 500° | 200 | 00000000 | ||||||||||
| 5/16" | 2" | 5,000 fpm @ 200 psi | 0.51 | 500° | 200 | 00000000 | ||||||||||
| 5/16" | 3" | 5,000 fpm @ 200 psi | 0.51 | 500° | 200 | 00000000 | ||||||||||
| 3/8" | 2" | 5,000 fpm @ 200 psi | 0.51 | 500° | 200 | 00000000 | ||||||||||
| 3/8" | 3" | 5,000 fpm @ 200 psi | 0.51 | 500° | 200 | 00000000 | ||||||||||
| 3/8" | 3 1/2" | 5,000 fpm @ 200 psi | 0.51 | 500° | 200 | 00000000 | ||||||||||
| 3/8" | 4" | 5,000 fpm @ 200 psi | 0.51 | 500° | 200 | 00000000 | ||||||||||
| 3/8" | 5 1/2" | 5,000 fpm @ 200 psi | 0.51 | 500° | 200 | 00000000 | ||||||||||
| 1/2" | 2 1/2" | 5,000 fpm @ 200 psi | 0.51 | 500° | 200 | 00000000 | ||||||||||
| 1/2" | 3" | 5,000 fpm @ 200 psi | 0.51 | 500° | 200 | 00000000 | ||||||||||
| 1/2" | 4" | 5,000 fpm @ 200 psi | 0.51 | 500° | 200 | 00000000 | ||||||||||
| 1/2" | 5" | 5,000 fpm @ 200 psi | 0.51 | 500° | 200 | 00000000 | ||||||||||
| 1/2" | 6" | 5,000 fpm @ 200 psi | 0.51 | 500° | 200 | 00000000 | ||||||||||
| 1/2" | 8" | 5,000 fpm @ 200 psi | 0.51 | 500° | 200 | 00000000 | ||||||||||
Medium-Friction Brake and Clutch Lining
These sheets provide stable torque at high and low speeds. Also known as friction material, they can be riveted or bonded. They do not contain asbestos.
7 1/2" × 7 1/2" | 15" × 15" | 30" × 30" | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Thick. | Max. Rubbing Speed | Max. Coefficient of Friction | Max. Temp., °F | Max. Pressure, psi | Each | Each | Each | |||
Molded | ||||||||||
| 1/8" | 5,000 fpm @ 500 psi | 0.35 | 550° | 500 | 0000000 | 000000 | 0000000 | 000000 | 0000000 | 0000000 |
| 3/16" | 5,000 fpm @ 500 psi | 0.35 | 550° | 500 | 0000000 | 00000 | 0000000 | 00000 | 0000000 | 000000 |
| 1/4" | 5,000 fpm @ 500 psi | 0.35 | 550° | 500 | 0000000 | 00000 | 0000000 | 00000 | 0000000 | 000000 |
| 5/16" | 5,000 fpm @ 500 psi | 0.35 | 550° | 500 | 0000000 | 00000 | 0000000 | 00000 | 0000000 | 000000 |
| 3/8" | 5,000 fpm @ 500 psi | 0.35 | 550° | 500 | 0000000 | 00000 | 0000000 | 00000 | 0000000 | 000000 |
| 1/2" | 5,000 fpm @ 500 psi | 0.35 | 550° | 500 | 0000000 | 00000 | 0000000 | 00000 | 0000000 | 000000 |
| 5/8" | 5,000 fpm @ 500 psi | 0.35 | 550° | 500 | 0000000 | 00000 | 0000000 | 000000 | 0000000 | 000000 |
| 3/4" | 5,000 fpm @ 500 psi | 0.35 | 550° | 500 | 0000000 | 00000 | 0000000 | 000000 | 0000000 | 000000 |
| 1" | 5,000 fpm @ 500 psi | 0.35 | 550° | 500 | 0000000 | 00000 | 0000000 | 000000 | 0000000 | 000000 |
Low-Friction Brake and Clutch Lining
Use these sheets for a smooth stop. Also known as friction material, they can be riveted or bonded. They do not contain asbestos.
7 1/2"×7 1/2" | 15"×15" | 30"×30" | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Thick. | Max. Rubbing Speed | Max. Coefficient of Friction | Max. Temp., °F | Max. Pressure, psi | Each | Each | Each | |||
Molded | ||||||||||
| 1/8" | 4,500 fpm @ 600 psi | 0.14 | 600° | 600 | 0000000 | 000000 | 0000000 | 000000 | 0000000 | 0000000 |
| 3/16" | 4,500 fpm @ 600 psi | 0.14 | 600° | 600 | 0000000 | 00000 | 0000000 | 00000 | 0000000 | 000000 |
| 1/4" | 4,500 fpm @ 600 psi | 0.14 | 600° | 600 | 0000000 | 00000 | 0000000 | 00000 | 0000000 | 000000 |
| 5/16" | 4,500 fpm @ 600 psi | 0.14 | 600° | 600 | 0000000 | 00000 | 0000000 | 00000 | 0000000 | 000000 |
| 3/8" | 4,500 fpm @ 600 psi | 0.14 | 600° | 600 | 0000000 | 00000 | 0000000 | 00000 | 0000000 | 000000 |
| 1/2" | 4,500 fpm @ 600 psi | 0.14 | 600° | 600 | 0000000 | 00000 | 0000000 | 00000 | 0000000 | 000000 |
| 5/8" | 4,500 fpm @ 600 psi | 0.14 | 600° | 600 | 0000000 | 00000 | 0000000 | 000000 | 0000000 | 000000 |
| 3/4" | 4,500 fpm @ 600 psi | 0.14 | 600° | 600 | 0000000 | 00000 | 0000000 | 000000 | 0000000 | 000000 |