Distributor Bearing Wholesalers Incspecializes as seller an Timken 25580 - 25520D to companies throughout the USA, Canada, Mexico and parts of Europe. The headquarters is located in Singapore where a 10,000 square foot facility includes offices and warehousing space.
Here at Distributor Bearing Wholesalers Inc, our team is proud to supply BB, large distributors and smaller companies and individuals with a huge selection of Timken 25580 - 25520D that are unparalleled in the industry. We offer a size range from 0.8 mm to 5 inch, in nearly every material and grade required per customer specifications. So, if you need a reliable source for precision and non-precision balls and rollers any of the following materials we are your people!
What good is the BEST product without the BEST quality of care?
You’re in good hands with the Distributor Bearing Wholesalers Inc. We want to ensure you receive the utmost in quality products, with impeccable customer service that you will not receive anywhere else. This philosophy is what sets us apart from our competitors.
ervices & Solutions from Distributor Bearing Wholesalers Inc range from new machine development and design verification, to reconditioning, Integrated Maintenance Solutions, training and remote monitoring.
We can help you reduce your operation’s energy usage and improve its sustainability. And we will work with you to define where to focus, and how to get the fastest return on your investment.
Tapered Roller Bearings Tapered Roller Bearings - TDO (Tapered Double Outer) Tapered Roller Bearings - TDO (Tapered Double Outer) Imperial Timken Part Number 25580 - 25520DTimken Part Number 25580 - 25520D, Tapered Roller Bearings - TDO (Tapered Double Outer) ImperialThe configuration of the TDO provides a wide effective bearing spread, making it ideal for applications in which overturning moments are a significant load component. TDO bearings can be used in fixed positions or allowed to float in the housing bore. Specifications | Dimensions | Abutment and Fillet Dimensions | Basic Load Ratings | Factors
| Series || 25500 |
| Cone Part Number || 25580 |
| Cup Part Number || 25520D |
| Design Units || Imperial |
| Bearing Weight || 2.82 lb1.279 Kg |
| Cage Type || Stamped Steel |
| Ab - Cage-Cone Frontface Clearance || 0.06 in1.5 mm |
| d - Bore || 1.7500 in44.450 mm |
| D - Cup Outer Diameter || 3.2650 in82.931 mm |
| B - Cone Width || 1.0000 in25.400 mm |
| C - Double Cup Width || 1.8750 in47.625 mm |
| T - Bearing Width across Cones || 2.2500 in57.150 mm |
Abutment and Fillet Dimensions
| R - Cone Backface "To Clear" Radius1 || 0.14 in3.600 mm |
| r - Cup Frontface "To Clear" Radius2 || 0.03 in0.8 mm |
| db - Cone Backface Backing Diameter || 2.24 in56.90 mm |
| Da - Cup Frontface Backing Diameter || 3.05 in77.47 mm |
| Aa - Cage-Cone Backface Clearance || 0.01 in0.3 mm |
Basic Load Ratings
| C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)3 || 5270 lbf23500 N |
| C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)4 || 35400 lbf158000 N |
| C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)5 || 9180 lbf40900 N |
| Ca90 - Dynamic Thrust Rating (90 million revolutions)6 || 3020 lbf13500 N |
| K - Factor7 || 1.74 |
| e - ISO Factor8 || 0.7 |
| Y1 - ISO Factor9 || 0.96 1.43 |
| Y2 - ISO Factor10 || 1.43 |
| G1 - Heat Generation Factor (Roller-Raceway)11 || 35.2 |
| G2 - Heat Generation Factor (Rib-Roller End) || 14.3 |
| Cg - Geometry Factor12 || 0.0801 |
Distributor Bearing Wholesalers Inc began making air-melted alloy steel to serve the bearing industry’s need for high-quality steel. Now, we place Timken 25580 - 25520D in applications throughout industrial markets worldwide. We are ready to engineer a solution for you. We offer more than 450 grades of steel and supply the broadest range of special bar quality (SBQ) product , including rolled and forged-rolled bar and seamless mechanical tubing. We sell our custom-steel solutions to original equipment manufacturers producing components for industrial applications in agriculture, construction, machinery, military, mining, power generation,
Timken Steel produces carbon steel, alloy and micro-alloy steel in the form of specialty bar, seamless mechanical tubing, value-add components, billets and bottom-poured ingots. Timken 25580 - 25520D, combined with our expert knowledge of metallurgy, allow us to tailor every order to customers’ specifications.
We have ideal solutions in special bar quality (SBQ) bearings sizes from 1” to 16” and seamless mechanical bearings sizes from less than 3” to over 13”. We engineer hundreds of carbon and alloy steel grades to meet the severe service requirements in oil and gas.
In the last decade we have invested heavily in Timken 25580 - 25520D to serve the oil and gas market quickly and effectively. Our newest addition – the Advanced Quench and Temper Facility (AQTF) - provides an additional 40,000 tons per year of capacity. Specially designed outer diameter (OD) and inner diameter (ID) water quench ensures we are able to meet stringent mechanical properties.