The Timken Company 203KRR3 Shielded Radial Ball Bearing

The Timken Fafnir 203KRR3 shielded radial ball bearing is a single-row deep-groove bearing designed to support radial loads and moderate axial loads in agricultural and industrial rotating equipment. It features a thick outer ring and double metal shields for enhanced durability in dusty or contaminated environments, with a bore of 0.7500 in (19.050 mm), outside diameter of 1.7805 in (45.225 mm), and width of 0.7505 in (19.063 mm). The bearing uses steel balls and a steel cage and is configured to standard precision (ABEC 1 / ISO P0); weight is approximately 0.40 lb (0.18 kg). Commonly used in cam followers, guide rolls for baler plungers, conveyors, and other agricultural machinery and industrial equipment where protection against contamination is important. Its heavy-duty design is well suited for applications subjected to shock loads, vibration, and contamination while maintaining dependable bearing performance; common replacements include SKF 203KRR3, NTN 203KRR3, and NSK 203KRR3.