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18March

SKF NNU 4188 K30M/W33 bearing high speed

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Cylindrical roller bearings, double row, super-precision - NNU 492

Cylindrical roller bearings, double row, super-precision. Tolerances: SP, UP, SP and UP for 1:12 tapered bore, Chamfer dimensions · Radial internal clearance: table · Recommended shaft and housing fits: shafts, housings. Values for ISO tolerance classes: shafts, housings. Speed dependent initial grease fill → Initial

Cylindrical roller bearings, double row - NNU 4156 K30M/W

d, 280, mm. D, 460, mm. B, 180, mm. D1, ≈, 407, mm. F, 326, mm. b, 13.9, mm. K, 7.5, mm. r1,2, min. 5, mm. s, max. 6.3, mm. Tapered bore, taper 1:30. Abutment dimensions. da, min. 300, mm. da, max. 318, mm. Da, max. 440, mm. ra, max. 4, mm. Calculation data. Basic dynamic load rating, C, 2550, kN. Basic static load

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