Attachment 0002 - M7A1 Bearing Material Purchase Description.pdf
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- Attached to
- M7A1 Bearing Material
- Solicitation number
- W519TC27QA012
About this file
This is a Purchase Description document for M7A1 self-lubricating bearing material required for delivery to Rock Island Arsenal Joint Manufacturing and Technology Center (RIA-JMTC). The material must be purchased in 5-inch useable width by 96-inch sheets only and must conform to drawing 1110700278 or face rejection.
The specified bearing material has a steel backing with a porous copper-tin bronze inner structure and PTFE/Pb bearing surface. Key performance specifications include a thickness of 0.0585" to 0.0605", compressive strength of 44,000 PSI, static load capacity of 36,000 PSI, dynamic load capacity of 20,000 PSI, and operational speeds of 1,000 RPM dry or 2,000 RPM lubricated. The material must perform across a temperature range of -328°F to 536°F with a static coefficient of friction of 0.02 to 0.02, and maintain PV limits of 50,000 PSI-FPM continuous or 100,000 PSI-FPM intermittent. The suggested source of supply is The Timken Company (Part# S0594DU0500-S1) located in North Canton, Ohio. Delivery requirements mandate flatbed truck transportation, secure pallet/skid banding with heat number separation for multiple heat lots, proper labeling with easy-to-read tags, certificates of conformance, and certified test results. Bundle weight must not exceed 5,000 pounds, and materials failing to meet these delivery requirements may be rejected.
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Text version
M7A1 Bearing Material – Purchase Description
Style: Bearing Material
Type: Self Lubricating
Thickness: .0585"/.0605"
Useable Width: 5.00" Min.
Backing: Steel
Inner Structure: Porous Copper-Tin Bronze
Bearing Surface: PTFE/Pb
Lubrication: Not Required
Compressive Strength: 44,000 PSI
Static Load Capacity: 36,000 PSI
Dynamic Load Capacity: 20,000 PSI
Speed: Dry - 1000 RPM, Lubricated - 2,000 RPM
PV Limit: Continuous: 50,000 PSI-FPM
Intermittent: 100,000 PSI-FPM;
Temperature Range: -328 Degrees Fahrenheit to 536 Degrees Fahrenheit;
Static Coefficient of Friction: .02 to .02;
Purchase in 5" (useable Width) X 96" sheets only;
Material must meet all requirements of 1110700278 drawing, or it will be rejected back to the supplier.
Suggested Source of Supply: The Timken Company (Part# S0594DU0500-S1)
4500 Mount Pleasant St NW
North Canton, OH 44720
Ph. 234-262-6953
Raw material ordered by and delivered to Rock Island Arsenal Joint Manufacturing and Technology Center (RIA-JMTC) must meet the following requirements to ensure efficient and timely unloading receipt.
1. Material must be delivered on a flatbed truck.
2. Material must be securely banded to a pallet/skid.
3. Material loads containing multiple heat numbers must be palletized and separated by heat number.
4. All Raw material must be properly labeled with easy-to-read tags and; must contain the proper certificates of conformance and certified test results.
'BUNDLES MAY NOT EXCEED 5,000 LBS.'
Materials delivered to RIA-JMTC failing to meet these requirements could be rejected.
File details come from the government source that posted it. Updated .