749A - 742DC Timken Mechanical Components
Part#:749A - 742DC
Manufacturer:Timken
Product Lifecycle:Active
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Tapered Roller Bearings - TDO (Tapered Double Outer) Imperial, 742DC Inch Stamped Steel 3 1/4 in 6.1250 in 1.8375 in 3.3750 in 4 in 0.14 in 0.06 in 3.90 in 5.64 in 0.05 in -0.47 in 21900 lbf 147000 lbf
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Product Details
- Cg - Geometry Factor12 0.0898
- Y1 - ISO Factor10 2.08
- Y2 - ISO Factor11 3.09
- K - Factor8 1.8
- e - ISO Factor9 0.33
- Ca90 - Dynamic Thrust Rating (90 million revolutions)7 12200 lbf
- C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)4 21900 lbf
- r - Cup Backface To Clear Radius2 0.06 in
- a - Effective Center Location3 -0.47 in
- C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)6 38200 lbf
- R - Cone Backface To Clear Radius1 0.14 in
- Aa - Cage-Cone Backface Clearance 0.05 in
- Da - Cup Frontface Backing Diameter 5.64 in
- db - Cone Backface Backing Diameter 3.90 in
- C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)5 147000 lbf
- T - Bearing Width across Cones 4 in
- Cage Material Stamped Steel
- Design Unit Inch
- Series 745
- D - Cup Outer Diameter 6.1250 in
- Cone Part Number 749A
- Cup Part Number 742DC
- d - Bore 3 1/4 in
- B - Cone Width 1.8375 in
- C - Double Cup Width 3.3750 in
Product condition
ORIGINAL PACKAGING
SURPLUS ORIGINAL PACKAGING - 100% unused and in original packaging
Related documents 749A - 742DC 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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