INA Bearings

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INA bearings is a machine element that constrains relative motion to only the desired motion, and reduces friction between moving parts. The design of the bearing may, for example, provide for free linear movement of the moving part or for free rotation around a fixed axis; or, it may prevent a motion by controlling the vectors of normal forces that bear on the moving parts. Most bearings facilitate the desired motion by minimizing friction. Bearings are classified broadly according to the type of operation, the motions allowed, or to the directions of the loads (forces) applied to the parts.


INA bearings hold rotating components such as shafts or axles within mechanical systems, and transfer axial and radial loads from the source of the load to the structure supporting it. The simplest form of bearing, the plain bearing, consists of a shaft rotating in a hole. Lubrication is used to reduce friction. In the ball bearing and roller bearing, to reduce sliding friction, rolling elements such as rollers or balls with a circular cross-section are located between the races or journals of the bearing assembly. A wide variety of bearing designs exists to allow the demands of the application to be correctly met for maximum efficiency, reliability, durability and performance.


ZEN 51101 thrust ball bearings

NTN 0.6 mm
9.4 kN 42 mm

55 mm x 100 mm x 21 mm ZEN 6211 deep groove ball bearings

20.4 0.865
Two Metal Shields 3206a-2z-skf

ZEN HK2212 needle roller bearings

35.1 kN 300 mm
149 mm 16 mm

105 mm x 145 mm x 20 mm ZEN S61921-2RS deep groove ball bearings

44 mm T213N-
M6x1 70 mm

10 mm x 22 mm x 6 mm ZEN F61900-2Z deep groove ball bearings

New 21.6
5000 6209-2rs1/c3gjn-skf

13 mm x 32 mm x 10 mm ZEN 6201-2Z/13 deep groove ball bearings

59.5 0.87 KGS
25mm Standard

ZEN BK1210 needle roller bearings

4.76 mm 7.2 mm
50.8 mm 16.8 Nm

10 mm x 35 mm x 11 mm ZEN P6300-SB deep groove ball bearings

Open Type 72mm
1306jc3-nsk 19mm

10 mm x 28 mm x 8 mm ZEN S16100-2Z deep groove ball bearings

46,000 rpm 0.6 mm
55 mm 25 °

105 mm x 130 mm x 13 mm ZEN 61821-2RS deep groove ball bearings

73.1 mm -40 °C
15 mm SCO212-60