1. Product Overview The 6307‑2RS1 single row deep groove ball bearing is equipped with double-sided 2RS1 contact NBR rubber seals. It features excellent dust-proof, splash-proof and grease locking performance, runs stably with low noise under long continuous operation. Widely used in medium-heavy load industrial motors, water pumps, blowers, compressors and general heavy-duty rotating machinery. Get a quote within 24 hours for your project 2. Technical Specifications