They are used in heavy duty applications where loads and speeds are greater than required for unground bearings-usually over 2000 RPM. Many are used on modern combines. Aetna straight belt idlers for flat belts are available with double row bearings and bushed to clear 12″, 58âmore...
Description  Spherical roller bearings are designed with double-row raceway inner ring, spherical raceway outer ring and the convex symmetrical rollers. With the same center as the bearings, the spherically formed outer ring raceway can make self alignment, which can adapt the more...