25581 - 25521 Timken Mechanical Components
Part#:25581 - 25521
Manufacturer:Timken
Product Lifecycle:Active
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Tapered Roller Bearings - TS (Tapered Single) Imperial, 25521 Inch Stamped Steel 1 3/4 in 3.27 in 1 in 0.7500 in 0.9375 in 0.02 in 0.13 in 1.97 in 2.01 in 3.05 in 2.83 in 0.06 in 0.01 in -0.25 in 5270 lbf
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Product Details
- Cg - Geometry Factor10 0.0801
- K - Factor7 1.74
- Y - ISO Factor9 1.79
- Ca90 - Dynamic Thrust Rating (90 million revolutions)6 3020 lbf
- e - ISO Factor8 0.33
- G1 - Heat Generation Factor (Roller-Raceway) 35.2
- C0 - Static Radial Rating 24900 lbf
- G2 - Heat Generation Factor (Rib-Roller End) 14.3
- C90 - Dynamic Radial Rating (90 million revolutions)4 5270 lbf
- C1 - Dynamic Radial Rating (1 million revolutions)5 20300 lbf
- r - Cup Backface To Clear Radius2 0.13 in
- db - Cone Backface Backing Diameter 2.01 in
- a - Effective Center Location3 -0.25 in
- Aa - Cage-Cone Backface Clearance 0.01 in
- Da - Cup Frontface Backing Diameter 3.05 in
- R - Cone Backface To Clear Radius1 0.02 in
- da - Cone Frontface Backing Diameter 1.97 in
- Db - Cup Backface Backing Diameter 2.83 in
- Ab - Cage-Cone Frontface Clearance 0.06 in
- T - Bearing Width 0.9375 in
- d - Bore 1 3/4 in
- C - Cup Width 0.7500 in
- Cup Part Number 25521
- D - Cup Outer Diameter 3.27 in
- B - Cone Width 1 in
- Cage Material Stamped Steel
- Series 25500
- Cone Part Number 25581
- Design Unit Inch
Product condition
ORIGINAL PACKAGING
SURPLUS ORIGINAL PACKAGING - 100% unused and in original packaging
Related documents 25581 - 25521 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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