SKF6307TCC78Deep Groove Ball Bearing – Straight Bore, 35 mm ID, 80 mm OD, 21 mm Width, Open, Machined Phenolic Cage, P5 Precision

Product Description

What this part is: SKF 6307 TC C78 deep groove ball bearing. Bore 35 mm, outside diameter 80 mm, width 21 mm. Series: 63. Straight bore, open on both faces, machined phenolic cage. Country of origin: United States. Decoding the designation: 6307: deep groove ball bearing, 35 mm bore, 63 dimension series. Precision Class: P5, ABEC 5 — a tighter tolerance than a standard bearing, giving lower running vibration and closer shaft location. Cage Material: phenolic, machined from fabric-base laminate. C78 is an SKF order-code variant recorded here as a searchable part-number form. Published ratings: Dynamic load rating: 35.1 kN. Static load rating: 19 kN. Limiting speed: 14,000 rpm. Operating range: −30 °C to 120 °C. Mass: 1.01 lb. What these specs mean in practice: A machined phenolic cage is light, self-lubricating and quiet, which is why it appears on high-speed and instrument-grade deep groove positions where a pressed steel cage would limit speed. P5 tolerances hold the bore, outside diameter and running accuracy inside a tighter band than P0, so shaft and housing location repeat closely from bearing to bearing. Open faces let the position be oil-lubricated or grease-packed to suit the machine. Quantity and configuration: One bearing. Unit quantity: 1 Pc. Fitting notes: Straight 35 mm bore on a cylindrical shaft seat. A deep groove ball bearing of this size carries radial load with moderate thrust in either direction. Interchange guidance: Same-envelope designations: FAG 6307-TB and NTN 6307. Searchable forms of the number: 6307TCC78, 6307 TC C78, 6307-TC-C78, 6307TC, 6307.