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Precision Idlers are available in Flat Belt or V-belt styles with single or double row precision radial bearings riveted between soft steel flanges. They are used where loads and speeds are greater than required for unground bearings-usually over 2000 RPM. Many are used on modern combines. Flanged and V-belt idlers are available with single row bearings with a bore size to clear 1/2" and 5/8" bolts. Flanged and straight sided idlers for flat belts are available with double row bearings and bushed to clear 1/2", 5/8" and 3/4" bolts.Generally used as tighteners or direction changers; available for all standard, flat and "V" belts. Permanently lubricated and sealed against grime and dirt. Fit into existing design with little or no engineering changes or readily adapted to new designs.Basic Radial Load Rating of Precision Bearing is 3,340 Pounds.