RKB LL 575349/LL 575310 tapered roller bearing

RKB LL 575349/LL 575310 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 LL 575349/LL 575310 and any equivalents.

RKB tapered roller bearings are separable assemblies consisting of a cone (inner ring with rollers and cage) and a cup (outer ring). They handle radial and axial loads in one direction, so they are typically installed in opposed or matched pairs. These bearings are found in gearboxes, vehicle hubs, machine tool spindles, and equipment in mining and steel production.

The part number uses a slash to separate the cone and cup designations. For instance, LL 483448/LL 483418 or LL 575349/LL 575310 each identify the two components. The LL prefix denotes a light-section tapered roller series, and the digits that follow specify dimensions and angles. To order a correct replacement, provide the complete part number as it appears on the drawing or the part itself.

These bearings suit applications with combined and varying loads. They appear in transmission gearboxes, reducers, axles, and hubs of agricultural, road, and earthmoving machinery. They are also used in lathe and milling machine spindles, conveyor belt rollers, and mining and steel industry equipment. Because they accommodate axial load in one direction, they work well in tandem or opposed arrangements depending on shaft loading.

Selection depends on radial and axial load, rotation speed, and environmental conditions. Mounting requires precise alignment of shaft and housing; angular misalignment shortens service life. Lubrication can be grease or oil, and the seal is chosen based on contamination levels. Internal clearance is set during mounting: too much clearance causes noise and wear, while too little raises operating temperature.

Tapered roller bearings are made to dimensional standards that allow interchangeability between brands. When replacing a part, compare the complete cone and cup part numbers, or measure the bore diameter, outer diameter, and total width. If the part number is unreadable, the bearing can be identified by its dimensions and construction to find a suitable equivalent.

For a quote on an RKB tapered roller bearing, send the complete part number or the cone and cup dimensions via WhatsApp or email. MR Industrial Accessories will quote the exact part number or size you provide and suggest a compatible alternative if you have a part from another brand.