Bearing is optimally designed for Electric Motor, Mower Spindle, Snow-Blower, Snow-Thrower, and Cut-off Saws Applications. This Bearing Has Two Rubber Seals (2RS), Connected to the Inner Ring to Protect the Bearing from Dust or any Possible Contamination. Bearing is Pre-Lubricated with High-Quality Grease ideal for use in High and Low-temperature settings (-30C to +180C). If your Application Requires a Ball Bearing with One Seal or Opened Without Seals, you can easily remove one or both Seals. - Specification: Item 741-0919, 941-0919, 9410919A, 941-0919B, Inner Diameter 20.00 mm, Outside Diameter 47.00 mm, Width 14.00 mm, Dynamic Load Rating Cr 13500 N, Static Load Rating Cor 6550 N, Limiting Speed 17000 r/min, Clearance Normal, Tolerance Inner Ring 0 to -8 μm, Tolerance Outer Ring 0 to -9 μm, Tolerance Classes P6, Noise and Vibration Z3V3, Closures Two Rubber Seals (2RS), Lubrication Type Grease Chevron, Lubrication Temperature -30°C to +180°C, Rolling Element Indicator Ball, Material Gcr15, Product Weight 0.110 KG. - Application: Compatible with/Replacement for MTD 491, 831, 832 and 930 series Snowblowers