Good heat tolerance, high load carrying capacity and stiffness For applications such as automotive and truck transmissions, agricultural and construction equipment, pumps and compressors,ships and manufacturing industry, among others These bearings are especially suitable for high dynamic loads or radial-limited installation. They are mounted with a tight interference fit in the housing. Shoulders or snap rings are not required to locate the bearing axially, thus enables a simple and economic design of the housing bore. Outer ring shape:Octagon Colour:Silver Material:Bearing steel + nylon Size:Inner diameter: 8mm Outer diameter: 14mm Width: 12mm Package Contents: 30 x Needle Roller Bearings NOTE: Install with machine or special tools instead of hammers because beating may lead to local deformation or brittle fracture. Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.