- High-speed bearings are manufactured to ABEC 3 precision levels
- Triple-lip rubber seals keep the grease in and the water and dirt out
- Chevron SRI 2 grease contains rust and oxidation inhibitors (-20°-350°F)
- Double-lip type TC seals with stainless steel garter springs
Includes: (2) 20x47x17 Bearings, (2) 28x47x7 Seals