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SIGMA Bearings
Contact NowSIGMA Bearing 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.
Rotary 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.
25 mm x 62 mm x 24 mm SIGMA NJ 2305 cylindrical roller bearings
INTERNAL RUBBER LIP | Polymer |
Max Life Cage | Set Screw |
25 mm x 52 mm x 15 mm SIGMA NU 205 cylindrical roller bearings
Std Retainer | Rogersville, TN |
782475789870 | Steel |
65 mm x 120 mm x 23 mm SIGMA 20313 K-TVP-C3 spherical roller bearings
Class 10 | 2.0000 in |
Round | Rogersville, TN |
35 mm x 72 mm x 17 mm SIGMA NUP 207 cylindrical roller bearings
Low | 782475119837 |
Steel | 5500 rpm |
160 mm x 340 mm x 114 mm SIGMA NJG 2332 VH cylindrical roller bearings
6 mm | 110 mm |
1 800 min-1 | 80 mm |
114,3 mm x 203,2 mm x 33,3375 mm SIGMA QJL 4.1/2 angular contact ball bearings
206 Series | Normal Duty |
Wide Slot Take-Up | Class 10 |
100 mm x 215 mm x 73 mm SIGMA 2320 M self aligning ball bearings
Round | 440 STAINLESS STEEL |
Triple Lip | No Coating |
110 mm x 240 mm x 92,075 mm SIGMA A 5322 WB cylindrical roller bearings
110 mm x 240 mm x 92,075 mm |
30 mm x 62 mm x 16 mm SIGMA 1206 self aligning ball bearings
203 Series | 7500 rpm |
Setscrew Ball Bearin | Std Retainer |
85,725 mm x 190,5 mm x 39,69 mm SIGMA QJM 3.3/8 angular contact ball bearings
Steel | 209 Series |
Steel | 45.0000 in |