7909CYU/GLP4 Nachi Angular Contact Bearing 45x68x12 ABEC-7 Bearing

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Super Precision Ball Bearing7909CYU/GLP4 Nachi Angular Ball BearingPhenolic cage & Flush ground single unit15 degrees Contact AngleAbec-745mm x 68mm x 12mmMade in Japan 7909CYU/GLP 4 Nachi super precision Angular Ball Bearing with 15 degrees contact angle and Phenolic cage, bearing is ABEC-7 (P4) quality and made in Japan. 7909CYU/GLP4 inner diameter is 45mm, 7909CYU/GLP4 outer diameter is 68mm, 7909CYU/GLP4 width is 12mm. 7909CYU/GLP4 Nachi Ball Bearing Nachi Angular Ball Bearing Cage: Phenolic cage Quality: ABEC-7 (P4 quality) Dimensions: 45mm x 68mm x 12mm/Metric ID (inner diameter)/Bore: 45mm OD (outer diameter): 68mm Width: 12mm Size: 45 x 68 x 12 mm Quantity: 1 Bearing Made in Japan Dimensions d D B r r1 45mm 68mm 12mm 0.6mm 0.3mm The raceways of both the inner and outer rings of this bearing type are made with a set contact angle. These bearings are non-separable. Since the balls are inserted utilizing counter-bore construction, a larger number of balls can be installed than in the case of Deep-groove ball bearings. Standard cage materials may be pressed steel, high-strength brass, or synthetic resin. Cage material is dependent on the bearing series and or service condition. Single-row Angular Contact ball bearings can sustain radial, axial or composite loads, however, any axial load must be in one direction. This bearing type is generally used in pairs to handle the induced load resulting from the internal axial force generated by the applied radial load. When mounting two single bearings in adjacent positions, NACHI provides these combination parts (pairs) with preadjusted clearance. Paired combination bearings are matched sets. Combination or paired bearings can be arranged BACK-TO-BACK (DB), FACE-TOFACE (DF), or in TANDEM (DT). DB or DF sets can sustain bidirectional axial loads.💡 What Does ABEC-7 Mean? ABEC-7 is a high-precision rating from the Annular Bearing Engineers’ Committee (ABEC), indicating extremely tight manufacturing tolerances. These bearings provide ultra-smooth, low-friction performance and are often used in high-speed, high-accuracy applications. ABEC-7 bearings are commonly found in precision instruments, aerospace equipment, high-end electric motors, and demanding industrial machinery. They offer exceptional performance but are typically more expensive due to the level of accuracy involved. Show more