NSK 6311V Deep Groove Ball Bearing, Bore 55mm

High‑quality NSK single‑row deep‑groove ball bearing with non‑contact rubber seal (V‑type). Designed for smooth rotation, long service life, and reliable performance under radial and moderate axial loads. New in original manufacturer packaging. Technical Specifications: Bore Diameter: 55 mm Outside Diameter: 120 mm Overall Width: 29 mm Closure Type: V‑Seal (Non‑Contact Rubber Seal, single‑side or both‑side depending on sub‑model; series uses "V" for non‑contact seal) Row Type: Single Row Deep Groove Ball Bearing Cage Material: Pressed Steel (standard 6311 series) Dynamic Load Capacity: 71.5 kN (≈15,980 lbf) Static Load Capacity: 44.5 kN (≈10,000 lbf) Limiting Speed: 5,600 RPM (grease) / 6,700 RPM (oil) Internal Clearance: CN (Normal) Fillet Radius (min): 2.0 mm Weight: ~1.37 kg Finish/Coating: Uncoated Bearing Steel Country of Manufacture: Japan