SKF extends range of JIS-compliant ball bearing units

With the introduction of its new UC 300 series of ball bearing units, SKF says it has increased protection against contamination in heavy-duty applications. According to the company its new UC 300 ball bearing units feature "Superior sealing, stronger locking and interchangeability with all JIS (Japanese Industrial Standards) housings".

The new UC 300 is designed for use in highly contaminated industrial environments, where bearing life can often be shortened through the ingress of process materials such as mud, dust, wood chips or water. To overcome this the UC 300 series is equipped with what SKF states is field-proven sealing technology. It also has a solid base design of housing to minimise areas that might otherwise trap dirt or moisture. When bearings are subject to systemic vibration, the results can include increased shaft imbalance, misalignment and the loosening of locking mechanisms.

The UC 300 series addresses these problems by featuring robust construction and a high-strength locking system. Designed to cope with operations characterised by higher peak loads and lower rotation speeds, each unit also features a grub screw locking system set at an angle of 62 ° to improve holding power. UC 300 series units are available with bores ranging up to 100mm and typical applications will include conveyors, belt pulley/chain transmissions, and cranes. They are likely to be of particular benefit in areas such as material handling, agricultural, construction machinery, HVAC systems, textile industry, metals and mining.

For more information about the UC 300 series of ball bearing units visit

SKF (UK) Ltd

Sundon Park Road

+44 (0)1582 490049/496433

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