Rolling in: Rolling Road in the rolling ball or roller. Cage: wrapped in whole or in part, some rolling in, and together with the movement of bearing parts for the isolation of rolling, and often also guide the rolling body and will keep its bearings within. Isolated cases: in the adjacent and between the rolling movement together with the bearing parts for the rolling of isolation. Ball: ball rolling body. Roller: symmetry axis and the vertical axis in the line of a cross-section of the plane showed the round of rolling. Needle: the ratio of length and diameter of the larger small-diameter cylindrical roller, the general length of the diameter of between three to 10 times, but usually the diameter of not more than 5 mm. Needle head can have several forms. 3, Size Size programme include: Rolling Dimension system or form. Bearing series: a set of specific types of rolling bearings, with a gradual increase in size, in most cases, have the same contact angle between the size and shape have a certain relationship. Size Series: Series width or height and diameter series of series of combinations, the tapered roller bearing also includes the perspective series. Diameter Series: China's current standard-size part of the programme. Bearing diameter incremental series, each bearing a standard diameter, has a diameter series, and the diameter between the two often have a particular relationship. Width Series: China's current standard-size part of the programme. Bearing width of the incremental series, the diameter of each series of bearing diameter, the width of a series. High series: My current standard size of the thrust bearing part of the programme. Bearing a high degree of incremental series, the diameter of each series of bearing diameter, a series high. Series point: My current standard tapered roller bearing size part of the programme, the contact angle of a particular area. Dimensions: Bearing appearance of a limited size. Basic form factor for diameter, diameter, width (or height) and Chamfer dimensions. Bearing diameter: to the heart of the inner ring bearing diameter of the shaft or thrust bearing diameter circle. Bearing diameter: to the heart of the outer ring bearing diameter or thrust bearing the seat diameter. Bearing Width: limited to the heart of the two rings bearing the width between the end of the axial distance, the single tapered roller bearing is that the inner ring and the outer ring back of the back between the axial distance. Bearing Height: The height limit thrust bearing two washers between the back of the axial distance. - Diameter: tangent to the surface of the ball with two parallel distance between the plane. Roller diameter: the roller axis perpendicular to the plane of the line (radial plane), and roller tangent to the surface parallel to each other as the distance between the two tangent. Rated load calculation, the application of radial roller central plane. Roller length: contains roller end, the two radial distance between the plane.
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