305703 C-2Z Bore 17 Mm, Double Row Cam Rollers (yoke-type Track Roller) With Flat Outside Surface
The 305703 C-2Z Cam-follower studded roller bearings are widely used in cam-driven and linear guidance systems in automated equipment, such as: cam mechanisms (automatic machine tool indexing plates), conveying equipment (track rollers), packaging machinery (cam-driven sealing), printing machinery, robot end effectors, and material handling equipment.
The 305703 C-2Z bearing is a Double row cam rollers (yoke-type track roller) with flat outside surface with an inner diameter of 17 mm , an outer diameter of 47 mm, a width of 17.5 mm. GCr15SiMn rings, GCr15SiMn rolling mlement. It uses Not applicable standard radial clearance, 2Z = Shield on both sides type, together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.
305703 C-2Z bearings ( 17 mm x 47 mm x 17.5 mm) have the advantages of Easy to install, can withstand high radial loads and impacts, wear-resistant and runs smoothly, and are therefore widely used in the Conveying systems, automated equipment, cam mechanisms, machine tools and material handling machinery.
| Part Number | 305703 C-2Z |
| Bearing Type | Double row cam rollers (yoke-type track roller) with flat outside surface |
| Design | 3057.. C = Double row cam roller with a cylindrical (flat) outer ring running surface. |
| Relubrication feature | Yes |
| Heat stabilized | 150 °C (300 °F) |
| Coating | No |
| Lubricant | Grease |
| Axial guidance of outer ring | Yes |
| Sealing | 2Z = Shield on both sides |
| Sealing type | Non-contact |
| Cage type | Snap-type, ball centred |
| Cage Material | PA66, glass fibre reinforced |
| Outer ring | Cylindrical |
| Radial internal clearance | Not applicable |
| Interchangeable | SKF 305703 C-2Z |
| Radial Dynamic - Cr [lbf] | 3102 |
| Radial Static - C0r [lbf] | 1719 |
| Fatigue load limit - Pu [lbf] | 73 |
| Max. dynamic radial load - Fr max. [lbf] | 2090 |
| Max. static radial loads - F0r max. [lbf] | 3012 |
| Speed ratings - nG [min–1] | 11000 |
| Outside - D Φ [inch] | 1.850 |
| Shoulder/recess diameter inner ring - d1 [inch] | 0.917 |
| Width - B [inch] | 0.689 |
| Inside - d φ [inch] | 0.669 |
| Chamfer - r1,2 min. [inch] | 0.024 |
| Weight [lb] | 0.355 |
| Recess diameter outer ring shoulder - D1 [inch] | 1.378 |
| Distance pressure points - a [inch] | 0.906 |
The 305703 C-2Z Cam follower stud roller bearings mainly consist of a stud (a threaded solid shaft), an outer ring (serving as the rolling track), needle rollers or rollers, a cage, and a sealing device. The stud head has a wrench groove or an internal hexagonal hole, and the outer surface of the outer ring can be designed as spherical or cylindrical to accommodate different tracks.
Cam follower stud roller bearings are easy to install, directly fixed to the equipment via the stud threads without the need for an additional bearing housing. They have high load-bearing capacity, with the needle roller structure providing high radial load capacity. The outer ring can be eccentrically adjusted to easily compensate for installation errors. They possess shock resistance and contamination resistance, making them suitable for harsh working conditions.
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