28985 - 28921 Timken Mechanical Components
Part#:28985 - 28921
Manufacturer:Timken
Product Lifecycle:Active
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Tapered Roller Bearings - TS (Tapered Single) Imperial, 28921 Inch Stamped Steel 2.3750 in 3.9370 in 1 in 0.7813 in 1.0000 in 0.14 in 0.13 in 2.64 in 2.87 in 3.82 in 3.50 in 0.09 in 0.05 in -0.1 in 6180 lbf
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Product Details
- K - Factor7 1.37
- Cg - Geometry Factor10 0.103
- e - ISO Factor8 0.43
- G1 - Heat Generation Factor (Roller-Raceway) 60.1
- G2 - Heat Generation Factor (Rib-Roller End) 24.5
- Ca90 - Dynamic Thrust Rating (90 million revolutions)6 4500 lbf
- C0 - Static Radial Rating 33500 lbf
- C1 - Dynamic Radial Rating (1 million revolutions)5 23800 lbf
- C90 - Dynamic Radial Rating (90 million revolutions)4 6180 lbf
- Y - ISO Factor9 1.41
- Db - Cup Backface Backing Diameter 3.50 in
- Aa - Cage-Cone Backface Clearance 0.05 in
- a - Effective Center Location3 -0.1 in
- T - Bearing Width 1.0000 in
- Ab - Cage-Cone Frontface Clearance 0.09 in
- R - Cone Backface To Clear Radius1 0.14 in
- Cage Material Stamped Steel
- da - Cone Frontface Backing Diameter 2.64 in
- r - Cup Backface To Clear Radius2 0.13 in
- db - Cone Backface Backing Diameter 2.87 in
- Da - Cup Frontface Backing Diameter 3.82 in
- B - Cone Width 1 in
- Series 28900
- C - Cup Width 0.7813 in
- D - Cup Outer Diameter 3.9370 in
- d - Bore 2.3750 in
- Design Unit Inch
- Cone Part Number 28985
- Cup Part Number 28921
Product condition
ORIGINAL PACKAGING
SURPLUS ORIGINAL PACKAGING - 100% unused and in original packaging
Related documents 28985 - 28921 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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