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Product Parameter
Bearing symbol Principal Dimensions(mm) Basic Load Rating (kN) Speed ratings(r/min) Installation related dimensions (mm) Weight(kg)
d D B rsmin r1min F E Cr Cor Grease Oil da(min) da(max) db(min) Da(max) Da(min) ra(max) rb(max)
NJ206E 30 62 16 1 0.6 37.5 - 37.4 35 9500 12000 34 36 43 57 - 1 0.6 0.215
NJ206J 30 62 16 1 0.6 37.5 - 37.4 35 9500 12000 34 36 43 57 - 1 0.6 0.215
NJ207E 35 72 17 1.1 0.6 44 - 47.3 46.5 8500 10000 39 42 50 65.5 - 1 0.6 0.31
NJ2207E 35 72 23 1.1 0.6 44 - 57.2 59 8500 10000 39 42 50 65.5 - 1 0.6 0.415
NJ307E 35 80 21 1.5 1.1 46.2 - 70.5 70.5 8000 9500 41.5 44 53 72 - 1.5 1 0.527
NJ208E 40 80 18 1.1 1.1 49.5 - 55.6 55.5 7500 9000 46.5 48 56 73.5 - 1 1 0.42
NJ2308E 40 90 33 1.5 1.5 51.103 - 110 190 6300 7500 48 49 60 82 - 1.5 1.5 0.988
N308E 40 90 23 1.5 1.5 - 80 88 87.5 6700 8000 48 78 - 82 82 1.5 1.5 0.694
NJ308E 40 90 23 1.5 1.5 52 - 88 87.5 6700 8000 48 50 60 82 - 1.5 1.5 0.723
NUP2308E 40 90 33 1.5 1.5 52 - 134.5 159 6000 7500 - - - - - - - 0.87
NU2309E 45 100 36 1.5 1.5 58.5 - 145 157 5600 6700 53 56 61 93 - 1.5 1.5 1.56
NU2309EF3YA 45 100 36 1.5 1.5 58.5 - 145 157 5600 6700 53 56 61 93 - 1.5 1.5 2.59
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Introduction
& nbsp; & nbsp; & nbsp; & nbsp; Dalian metallurgy provides many cylindrical roller bearings of different designs, size series and sizes. Most of them are single row bearings with a cage. In addition, single row and double row full roller bearings (without cage) constitute the standard configuration of bearing varieties used in general engineering by AWD. The bearing with cage can bear large radial load and run at high speed. Full roller bearings are suitable for very heavy radial loads at medium speeds. & nbsp; & nbsp; & nbsp; cylindrical roller bearing, roller is one of the key components. Its geometry, the so-called logarithmic shape, provides the best stress distribution in the contact area of the bearing. Its surface finish can promote the formation of lubricant film and optimize the rolling of roller. Compared with traditional design, the benefits from simultaneous interpreting include increasing operational reliability and greater tolerance for misalignment. dyzv cylindrical roller bearing has the following design features: 1. Optimizing the design of roller and flange can improve the axial bearing capacity of bearing 2. Optimize the geometric surface design between roller and raceway to balance the radial load 3.limit the width of the wheel cross groove, increase the contact area between the raceway and the roller and improve the radial bearing capacity 4. Adopt high standard materials and strictly control the content of elements in materials, such as Ti & lt; 30ppm (titanium content) 5. Low noise design is adopted to achieve V1 noise level, which is conducive to low noise operation of automobile engine and gearbox.
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