1: ntn bearing performance:1.ntn bearing stiffnessntn bearing stiffness, is ntn bearing power generating units, the size of the required deformation. Rolling of elastic deformation is small, in most machines do not have to be considered, but in some machines, such as machine tool spindle,the bearing stiffness is an important factor, the general should be used cylindrical and tapered roller bearings. Because these two types of bearings and loaded

ntn bearing clearance adjustment. Radial bearing clearance with top clearance, side clearance, shown in Figure 1. Tip clearance can be kept liquid friction, the numerical size of shaft, rpm, the viscosity of the oil. Generally between control I/lO00d ~ 3/lOOOd (d axis diameter). Backlash is the role of the accumulation and cooling lubricants, the formation of the oil wedge,

ntn bearing support choose to pay attention to four problemsFirst, how to limit the axial position, including the radial and axial position are the first issues to consider. General dual-axis multi-support structure, the radial shaft supported by two co-limited, each supporting Department should play the role of radial positioning or angular contact bearings to the heart.Second, the axial position of supporting the restrictions by the two axial displacement in one direction is also limited by a supporting axial displacement in both directions,

ntn bearing kit and the outer ring of the processing methodsntn ball bearings machining process: ntn ball bearing raw materials processed by the state of the same vary, cut or ball of light which fell before the process can be divided into the following three, before heat treatment processes, but also divided into the following two kinds,the whole process are: bar or wire stamping (stamping bar after some red zone and annealing needed) - fell cut, coarse grinding,

Roller bearing frequent minor injuries, such as inventory, the creation of small water rust, and transport processes of small micro-abrasion, repair easy and wasteful to discard such cases. In addition to economy outside the repair bearings are the technical, requiring mender fully understand the technical requirements of the corresponding bearings,and bearings and parts thereof in structure, process and material characteristics on the otherwise difficult to ensure that repairs are bearing meet the required results

We use the clutch ntn bearings need to pay attention to what time? This article will introduce this to be aClutch motor specifications; electric motor starting torque / rated torque; rated drive torque; operating speed range;Pieces of inertia driven "j"; over operating speed range; use of the number of life; shaft diameter.Position ClutchPositioning exercise frequency / per minute; positioning movement angle; rated torque; be driven pieces of inertia

1: ntn bearing speed operation:1. Analysis of cage material type (for high-speed rotation, suitable for cutting copper alloy or phenolic resin cage system. There is also suitable for high-speed rotation of synthetic resin molded cage)2. Analysis of Lubrication (used for high-speed spin cycle lubrication, spray lubrication, oil mist lubrication and oil lubrication Lubrication)3. Of bearing internal clearance (taking into account the bearing temperature rise generated internal clearance reduction)

NTN has developed a torque lower than 50% of the thrust needle bearing "low torque thrust needle roller bearings." Expected to be used to improve gasoline fuel efficiency and hybrid transmission.The new product is aimed at producing torque thrust needle roller bearings developed two elements: one for "roller" in the bearing inner and outer rings caused by different walking distance of "roller" slide in the track surface and place " roller slide and the loss of rail wheels.