plaquette MACHLINE - Ntn-snr.com

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MachLine ® : a vast array of solutions HIGH PRECISION • SNR series 71900V and 7000V, with excellent performance data to balance the need for speed, rigidity, capacity and precision. • Series 7200G1, specially designed to meet specifications set by applications with large, predominantly axial loads. • Variations according to contact angle (C for 15º and H for 25º) and preload (light, medium or heavy). HYBRID, CERAMIC BALLS CH • Possible variation for all ranges, all series and all dimensions with Silicon Nitride balls and steel rings, <strong>com</strong>bining the best qualities of the two materials. • Reduced operating temperature and increased top speed. Reduced lubrication requirements as <strong>com</strong>pared to a “conventional steel" bearing. • Increased rigidity and longer life. Manufacturing standard: 8
Whatever the machine tool application, there is a perfect MachLine solution. HIGH SPEED ML MachLine range operating domain for a bearing with same bore diameter Speed + 30 % • Family made up of series 71900 and 7000, designed and developed by SNR to meet the increasingly stringent requirements in high speed mechanization. • Specially designed geometry: reduction in ball diameter, increase in number of balls and optimization of cage guidance on outer ring. • Different variations according to contact angle (C for 17° and H for 25°) and preload. HIGH SPEED SEALED BEARING MLE Non-contact sealing • When oil lubrication is not required and grease lubrication is sufficient, SNR has a technically appropriate solution which is also economically attractive – the MLE family of bearings, series 71900 and 7000. Manufacturing precision 4S as standard (ISO 2, ABEC 9, for all rotation dynamic characteristics and ISO 4, ABEC 7, for all others). • With nitrile rubber seals on the outer ring, not in contact with the inner ring, the same top speed can be attained as with an open bearing lubricated with grease. • Variations according to contact angle (C for 17° and H for 25°) and preload. 9
Page 1 and 2: Industry MachLine ® : the perfect
Page 3 and 4: Contents Everything there is to kno
Page 5: SNR is part of the history of beari
Page 8 and 9: MachLine ® : meeting every challen
Page 12 and 13: MachLine ® : a vast array of solut
Page 14 and 15: Preload: a direct effect on the app
Page 16 and 17: Preload: parameters to take into ac
Page 18 and 19: Influence of an external axial load
Page 20 and 21: Spindle design: simplified calculat
Page 22 and 23: Spindle design: simplified and corr
Page 24 and 25: Spindle design: corrected calculati
Page 26 and 27: Spindle design: simulations Design
Page 28 and 29: Appropriate lubrication: the secret
Page 30 and 31: MachLine ® selection guide Our Mac
Page 32 and 33: MachLine ® CH - Hybrid: selecting
Page 34 and 35: MachLine ® ML - High Speed: our so
Page 36 and 37: MachLine ® HNS - N: for extreme co
Page 38 and 39: Spindle types and installation exam
Page 40 and 41: Symbol system for MachLine ® beari
Page 42 and 43: MachLine ® : ranges High Precision
Page 50 and 51: MachLine ® : ranges High Speed and
Page 52 and 53: MachLine ® : ranges High Speed and
Page 54 and 55: Precision self-locking nuts It is h
Page 56 and 57: Precision self-locking nuts Dimensi
Page 58 and 59: Tolerances and precision classes Ri
Page 60 and 61:
Tolerances and precision classes Be
Page 62 and 63:
Tolerances and precision classes Co
Page 64 and 65:
Storage: rules to follow Every SNR
Page 66 and 67:
A Installation: rules to follow Lub
Page 68 and 69:
Installation: rules to follow Run-i
Page 70 and 71:
Expert analysis, training: passing
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