TIMKEN JW8049/JW8010 tapered roller bearing
- Brand
- TIMKEN
- Category
- Bearings
- Subcategory
- Tapered roller bearings
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Description
TIMKEN JW8049/JW8010 belongs to tapered roller bearing, part of our Bearings range. Tell us how many you need by WhatsApp or email and we'll get back to you promptly with a quote for JW8049/JW8010 and any equivalents.
The TIMKEN JW series is a tapered roller bearing supplied as a two-part assembly: a cone, which carries the rollers and cage, and a cup, the outer race. This design handles radial and axial loads together and fits into tight spaces. It suits shafts that need accurate guidance and thrust taken in one direction, including gearboxes, wheel axles, spindles and transmission equipment.
The code tells you which parts make up the assembly. The first number is the cone and the second is the cup, so JW4549/JW4510 pairs a JW4549 cone with a JW4510 cup. The same pattern applies to JW5049/JW5010, JW5549/JW5510 and JW6049/JW6010. The digits in the middle reflect the assembly size, while the /JW…### suffix separates each combination. When ordering a replacement, copy the full code from the drawing or from the part you are removing.
These bearings are used in gearboxes and reduction units, road machinery axles, materials handling equipment, pumps, fans, and belt or chain drives. They also show up in the food, cement and mining sectors, where loads vary and axial thrust has to be absorbed. Since the cone and cup separate, either one can be replaced on its own when wear is uneven.
Selection depends on radial and axial load, rotation speed and lubrication type. During mounting, align the shaft and housing correctly and set axial clearance as the equipment manual states. Good sealing keeps contaminants out and lubricant in. If the bearing runs with preload, check thermal expansion and follow the adjustment method from the equipment manufacturer.
Tapered roller bearings are identified by their cone/cup designation, and other brands may list assemblies with equivalent dimensions. Interchangeability requires the bore diameter, outside diameter, width and contact angle to match. A similar code is not enough; compare dimensions and load capacity. If the exact reference is not available, contact us and we will point you to a compatible option.
To request a quote for a TIMKEN JW series tapered roller bearing, send the complete code by WhatsApp. If the designation is unclear, send a photo of the part or the number marked on the cone and cup. We will respond promptly with the quote and the technical details you need.
Dimensions
- Bore
- 80.000 mm
Frequently asked questions
- What does the designation JW4549/JW4510 mean?
- The first code is the cone and the second is the cup. The cone includes the rollers and cage; the cup is the outer race. For a replacement, provide the complete code from the part or drawing.
- How do I know if a tapered roller bearing from another brand replaces the TIMKEN JW series?
- Compare the bore diameter, outside diameter, cone and cup width, and contact angle. If they match, it may be interchangeable. Send the measurements or code and we will indicate a compatible alternative.
- What lubrication and adjustment does a tapered roller bearing need?
- Use the lubricant recommended by the equipment manufacturer and keep sealing in good condition to prevent contamination. Set axial clearance or preload according to the manual and check thermal expansion during operation. Misaligned mounting shortens service life.