78255X - 78549D Timken Mechanical Components
Part#:78255X - 78549D
Manufacturer:Timken
Product Lifecycle:Active
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Tapered Roller Bearings - TDO (Tapered Double Outer) Imperial, 78549D Inch Stamped Steel 2.5586 in 5.5000 in 1.2962 in 2.0395 in 3.0625 in 0.14 in 0.06 in 3.5 in 5.19 in 0.24 in 0.31 in 11800 lbf 79300 lbf
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Product Details
- C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)6 20600 lbf
- Y1 - ISO Factor10 0.78
- C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)4 11800 lbf
- Cg - Geometry Factor12 0.0884
- Y2 - ISO Factor11 1.16
- K - Factor8 0.67
- C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)5 79300 lbf
- e - ISO Factor9 0.87
- a - Effective Center Location3 0.31 in
- Da - Cup Frontface Backing Diameter 5.19 in
- r - Cup Backface To Clear Radius2 0.06 in
- T - Bearing Width across Cones 3.0625 in
- db - Cone Backface Backing Diameter 3.5 in
- R - Cone Backface To Clear Radius1 0.14 in
- Ca90 - Dynamic Thrust Rating (90 million revolutions)7 17500 lbf
- Aa - Cage-Cone Backface Clearance 0.24 in
- Cup Part Number 78549D
- D - Cup Outer Diameter 5.5000 in
- Cone Part Number 78255X
- Design Unit Inch
- Series 78000
- d - Bore 2.5586 in
- B - Cone Width 1.2962 in
- Cage Material Stamped Steel
- C - Double Cup Width 2.0395 in
Product condition
ORIGINAL PACKAGING
SURPLUS ORIGINAL PACKAGING - 100% unused and in original packaging
Related documents 78255X - 78549D Specs
1-year warranty
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Timken Disclaimer:
The product is unused surplus. Quotebeam is not an authorized surplus dealer or affiliate for the Manufacturer of this product. Products may feature older date codes or be from an earlier series than what is currently available from the manufacturer or authorized dealers. Because Quotebeam is not an authorized distributor of this product, the Original Manufacturer’s warranty does not apply. While many Timken Controls products will have firmware already installed, Quotebeam makes no representation as to whether a Controls product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. Quotebeam also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from Timken, its distributors, or any other source. Quotebeam also makes no representations as to your right to install any such firmware on the product. Quotebeam will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.
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