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> New (20) R4-2RS, R4-rs, R4RS ball bearings, 1/4" x 5/8"
New (20) R4-2RS, R4-rs, R4RS ball bearings, 1/4" x 5/8"
BRAND NEW lot of 20 PIECES of bearing number R4-2RS. Sometimes marked R4-RS or R4RS. This is a quality metric ball bearing in a very common size for many RC, hobby, routers, HVAC & industrial applications. Each bearing is sealed on both sides with buna/nitrile rubber seals to protect the bearing from dust or possible contamination. The bearings are made from SAE 52100 Chrome Steel, meet or exceed ABEC-1 tolerances, and come in the industry standard, C3 clearance. They are pre-lubricated with Chevron SRI-2, which has a temperature range of -20 to +350 degrees F. These bearings have Static Load Rating (while at rest or rotating at less than 10rpm) of 139 pounds and a Dynamic Load Rating (rotating at speeds greater than 10rpm) of 335 pounds.