Model Number: 6800-6900 series Brand Name: BMT Key Specifications/Special Features: Materials: chrome steel, carbon steel, stainless steel andceramic bearingWidely used in various applications, and accommodate radialload and axial loads in both directionsCage: stamped steel or solid brass cage is used. When the outerdiameter of bearing is not more than 400 millimeter, stamped steelcage is usedExtra-large size ball bearings, which inner diameter rangesfrom 180 to 6,300mmSpecial and non-standard bearings according to customers'drawings and samples

Shield/closure: open ball bearing, Z, ZZ, RS, 2RS, 2RZ

Tolerance code: ABEC-1, ABEC-3, ABEC-5

Vibration level code: V3, V2, V1

Internal clearance: C2, C3, C4, C5

High-speed and high temperature resistance