TIMKEN L357019-B tapered roller bearing cup
- Brand
- TIMKEN
- Category
- Bearings
- Subcategory
- Tapered roller bearings
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Description
TIMKEN L357019-B belongs to tapered roller bearing cup, 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 L357019-B and any equivalents.
In a tapered roller bearing, the cup is the outer ring: the raceway that supports the cone and sits directly in the housing. TIMKEN's L-B naming uses L for the light series and B for a specific wall and section variant within that family. These cups are chosen separately from the cone so the bearing can be built to match the application.
Codes such as L102810-B, L116110-B, L305610-B, L357019-B, L467510-B, L507910-B, L624510-B and L630310-B follow the same pattern: a series letter, a numeric size block, and the B suffix for the section variant. The L denotes the light family. Each cup must be paired with the matching cone from the same series to form a complete bearing.
Typical installations include gearboxes and gear cases, axles on construction and agricultural equipment, conveyor rollers, spindles on milling machines and lathes, wheel hubs on material handling units, process pumps, industrial fans, and power transmission systems that operate with controlled misalignment. These are applications where combined loads and axial thrust are part of normal duty.
Cone and cup are matched by the manufacturer's designation; cups from different series cannot be swapped even when the outer diameter looks similar. The cup is mounted with an interference fit in the housing, and shaft alignment should be checked before the assembly is closed. Lubrication, axial clearance and sealing are set according to speed and operating environment. A cup that is not fully seated can reduce bearing life.
Tapered roller cups are identified by each maker's own letter and number system. Interchange is based on actual dimensions and raceway angle, not on the code alone. When replacing a TIMKEN cup with another brand, the housing dimensions and the cone already in service are the starting point. MR Industrial Accessories can suggest a compatible option when needed.
If you have the cup code or the complete bearing code, send it by WhatsApp or email along with a photo or the housing dimensions. Our team will quote the TIMKEN cup you need or point you to a compatible alternative from another brand, and we reply promptly.
Dimensions
Dimensions and tolerances: Message us the part number on WhatsApp and we'll verify its dimensions and version with the manufacturer's datasheet.
Frequently asked questions
- What is the difference between the cone and the cup of a tapered roller bearing?
- The cone is the inner ring assembly with rollers and cage; the cup is the outer ring raceway that the rollers run on. They are mounted separately and together make up the complete bearing. That is why you need to request the cone-cup pair that matches your equipment.
- Can I replace a TIMKEN cup with one from another brand?
- Yes, provided the dimensions and raceway angle match. Interchange is determined by actual measurements, not by the code. Send us the code or the housing dimensions and we will suggest a compatible alternative.
- How do I request a quote for a TIMKEN cup?
- Contact us on WhatsApp with the cup code or the complete bearing code, and if possible a photo or the housing dimensions. With that information we will quote the TIMKEN reference you need or its equivalent promptly.