NSK bearings for the food industry are robust, made from corrosion-resistant stainless steel, and have extended relubrication intervals. NSK's special Product Code. Internal. Diameter. External. Diameter. Width. 21308 E. 40. 90. 23. 21309 E. 45. 100. 25. 21310 E. 50. 110. 27. 21311 E. 55. 120. 29. 21312 E. 60. 130. 31. VE552(E) Three equally spaced threaded holes in face of outer ring for hoisting tackle,. (E) indicates appropriate lifting eyes supplied. VE553(E) As VE552 but on both side faces. VA751 / VA759 Both printing press/ coater specifications. VT143 Extreme pressure grease. W64. Solid oil filling. W77. Plugged W33 holes.
SKF spherical roller bearings – leading in design. E design. Consists of symmetrical rollers, two hardened window-type steel cages centred on the flangeless Three lubrication holes in the outer ring. W26. Six lubrication holes in the inner ring. W33. Annular groove and three lubrica- tion holes in the outer ring. W64. Basic dynamic load rating, C, 217, kN. Basic static load rating, C0, 240, kN. Fatigue load limit, Pu, 26.5, kN. Reference speed, 4800, r/min. Limiting speed, 6300, r/min. Calculation factor, e, 0.22. Calculation factor, Y1, 3. Calculation factor, Y2, 4.6. Calculation factor, Y0, 2.8 SKF Bearing Installation and Maintenance Guide. Drive up and angular rotation values are the same for both CC and E design SKF spherical roller bearings. . 21312 CCK. 308. 556. 0.0011. 0.0175. 0.0197. 21312 EK. 352. 628. 0.0011. 0.0181. 0.0205. 21313 CCK. 314. 567. 0.0012. 0.0186. 0.0209. 21313 EK. 367.
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