1. Product Introduction The 6301-RS is a single-row deep groove ball bearing measuring 12 × 37 × 12 mm , fitted on both sides with NBR rubber contact seals . The double-lip seal presses lightly against the inner ring land and closes the bearing completely, holding water, detergent, dust and fine slurry outside while keeping the factory grease inside. Rings and balls are made of GCr15 chrome bearing steel hardened to HRC 60-62 and ground to P5 (ABEC-5) precision , giving Z4
1. Product Introduction The 6301-RS is a single-row deep groove ball bearing measuring 12 × 37 × 12 mm , fitted on both sides with NBR rubber contact seals . The double-lip seal presses lightly against the inner ring land and closes the bearing completely, holding water, detergent, dust and fine slurry outside while keeping the factory grease inside. Rings and balls are made of GCr15 chrome bearing steel hardened to HRC 60-62 and ground to P5 (ABEC-5) precision , giving Z4