All Balls Racing wheel bearing set 1inch (25.4mm) ID

Incl. 2 x sealed ball bearing. Dimensions approx. 1inch ID x 52mm OD x 21mm wide. Replacement for OEM 9247. Note: These All Balls Racing bearings are high quality high speed wheel bearings. Manufactured to ABEC 3 precision levels. Bearings are lubricated with a Chevron fabricated high performance high temperature grease of SRI 2 level that contains anti-rust and anti-oxidation additives. Compatible with temperatures of -20°C to +150°C and rotational speeds in excess of 10.000 RPM. Triple lip seals are used to help prevent water and debris entering the bearing.