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Dimensional interchangeability only. This does not imply interchangeable in all respects. Koyo Prefix. INA Prefix. IKO Prefix. Design. 81. 81. AZ. Thrust. AS. AS. AS. Thrust. AXK. AXK. NTB. Thrust. BK. BK. TLAM. Drawn Cup. GS. GS. GS. Thrust. HK. HK. TLA. Drawn Cup. JR. IR. LRT. Solid Race. K. K. KT. Cage And Roller.
INTERCHANGE TABLE. NUMBER. WITH. INNER RING. Mass. (Approx.) NUMBER. WITHOUT. INNER RING. Mass. (Approx.) NUMBER. Assembled. INNER RING. Dimensions(mm). Basic dynamic load rating. Basic static load rating. IKO. INA. NTN. TORRINGTON(KOYO). WITH. INNER RING. WITHOUT. INNER RING. WITH.
Principal dimensions, Basic load ratings, Fatigue load limit, Speed ratings, Designations. dynamic, static, Reference speed, Limiting speed, Bearing, Snap ring. d, D, B, C, C, C0, Pu. mm, kN, kN, r/min
RSR (2RSR) are valid for grease lubrication. Sealing rings/wider inner rings. Sealing rings of series G, GR and SD are matched to the bearing dimensions and can be combined with wider inner rings of series IR. The outer surface of the inner rings can be used as the sliding surface for seal lips. Sealing rings: see “INA
d, 35, mm. D, 80, mm. B, 21, mm. d1, ≈, 49.56, mm. D2, ≈, 69.2, mm. r1,2, min. 1.5, mm. Abutment dimensions. da, min. 44, mm. Da, max. 71, mm. ra, max. 1.5, mm. Calculation data. Basic dynamic load rating, C, 35.1, kN. Basic static load rating, C0, 19, kN. Fatigue load limit, Pu, 0.815, kN. Reference speed, 19000, r/min.