
TIMKEN JM515649 tapered roller bearing cone
- Brand
- TIMKEN
- Category
- Bearings
- Subcategory
- Tapered roller bearings
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Description
TIMKEN JM515649 belongs to tapered roller bearing cone, 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 JM515649 and any equivalents.
The TIMKEN JM series tapered roller cone is the inner race assembly, complete with rollers and cage, that pairs with a separate cup to create a tapered roller bearing. It handles combined radial and axial loads where rigidity and load capacity matter. MR Industrial Accessories supplies this brand and can help you match the right cone and cup.
The JM prefix identifies a TIMKEN dimension family; the number that follows pins down each size. Codes such as JM205149, JM207049, and JM238848 all belong to the same series but differ in inner diameter, width, and radius. Suffixes, when present, flag variations in machining, tolerance, or treatment. Always pair the cone code with its matching cup code from the TIMKEN catalog to build a complete assembly.
These cones show up in demanding settings: mining, cement, steel, rail, ports, and agricultural machinery. Typical installations include truck hub assemblies, mill gearboxes, crushers, presses, and material handling equipment. Mated with TIMKEN cups, they form bearings for high radial and one-direction axial loads. Mounting two cones face to face accommodates axial loads in both directions.
Selecting the right cone starts with radial and axial load, speed, lubrication, and sealing. Cleanliness, alignment, and controlled axial adjustment are critical at assembly; tapered rollers may be set with clearance or interference depending on the application. Grease or oil works as lubricant, and effective sealing keeps contamination out. In vibrating or shock-loaded equipment, verify assembly rigidity and seat precision.
Tapered roller bearings are identified by cone and cup codes, and different brands may offer interchangeable dimensions. Do not rely on the number alone: confirm inner diameter, width, and contact angle. MR Industrial Accessories supplies TIMKEN and can point you to a compatible alternative when replacing an existing assembly.
Dimensions
- Bore
- 80.000 mm
Frequently asked questions
- What is the difference between the cone and the cup of a tapered roller bearing?
- The cone is the inner race with rollers and cage; the cup is the outer race. They mount separately and form a separable assembly. Replace both together, keeping the cone and cup codes from the manufacturer's catalog.
- How do I identify which TIMKEN JM series cone fits my equipment?
- You need the original cone and cup codes, or the shaft and housing dimensions. With that data we can find the equivalent reference. If you lack the code, send a photo or dimensions via WhatsApp and we will help identify it.
- What lubrication and assembly do you recommend for tapered rollers?
- Use grease or oil as the application requires. Assembly demands cleanliness, alignment, and controlled axial adjustment, whether clearance or interference. Check sealing to prevent contamination and verify clearance after the first hours of operation.

