Koyo: 6004-2RS Deep Goove Ball Beaing The most commonly used and versatile bearing type. Designed for high speeds, highly durable and requiring little maintenance. Close conformity between the balls and the deep raceway grooves handle high speeds, radial loads and axial loads in either direction. Applications: general engineering and manufacturing, transmissions, gearboxes, wheel hubs, gardening and agricultural equipment, pumps etc. Dimensions in accordance with ISO 15:1981. Rubber Sealed Type With rubber seals inserted into the outer raceway and in contact with the inner race providing protection against the ingress of moisture, dust and other foreign objects. The seals also retain the pre-filled grease in the bearing. Seals can be easily removed for applications that only require one seal. The most commonly used and versatile bearing type. Designed for high speeds, highly durable and requiring little maintenance. Close conformity between the balls and the deep raceway grooves