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NM97 Flexible Coupling
NM97 provides 45 N.m nominal torque, up to 42 mm bore capacity and a rated speed limit of 3000 rpm. It is suited to compact pumps, fans and light machinery when torque, shaft fit, alignment and installation space are all within the model limits.
NM97 technical data
NM97 is a useful transition size: it carries 45 N.m nominal torque and accepts bores up to 42 mm, a meaningful jump from NM82. That extra shaft capacity is often the reason to consider it, so the keyway and remaining hub section deserve attention.
| نموذج | عزم الدوران الاسمي | الحد الأقصى للسرعة | د | D1 | دي ماكس | ل | S | شعاعي | زاوية |
|---|---|---|---|---|---|---|---|---|---|
| NM97 | 45 نيوتن متر | 3000 دورة في الدقيقة | 97 مم | 69 مم | 42 مم | 50 مم | 3.0 +/- 1.0 مم | 0.05 مم | 2.5 درجة |
القيم D و D1 و d max و L و S والقيم القطرية مُقاسة بالملليمترات. الإزاحة الزاوية مُقاسة بالدرجات. على الشاشات الصغيرة، اسحب الجدول أفقيًا لعرض جميع الأعمدة.
فحوصات الملاءمة والتشغيل الآلي
The main envelope grows to 97 mm diameter and 50 mm length. Confirm guard clearance and the shaft-to-shaft space before approving a larger bore, especially on replacement drives where the previous coupling may have been shorter.
حيث يناسب هذا المقاس
Use the 45 N.m rating and 3000 rpm limit for initial screening, then describe starts, reversing and shock. NM97 can suit pump, blower and machine duties that need more bore capacity than the smaller sizes without yet moving into the heavier mid-range group.
المحاذاة والتجميع
The specified hub separation is 3.0 +/- 1.0 mm. Radial misalignment is limited to 0.05 mm and angular misalignment to 2.5 degrees, so a machine that cannot hold alignment should be corrected rather than upsized as a workaround.
Prepare the NM97 RFQ
For NM97, include the actual bore and keyway on each side plus any drawing-controlled fit. Add the running speed and driven-equipment description so the 42 mm bore capacity is not reviewed in isolation from torque.
شروط المواد والخدمة
NBR is the normal flexible-element material. Material alternatives should be tied to temperature, fluid exposure or another defined service requirement, not selected from the colour of an existing ring.
قارن بين أقرب أحجام النانومتر
Compare NM112 when torque or bore is near the NM97 ceiling. If the shafts are below 32 mm and the duty is lighter, NM82 may reduce the coupling envelope.
