PRECISION COMBINED ROLLER BEARINGS (PR4.0xx)
These precision combined roller bearings have a larger outer diameter than the Standard Combined Roller Bearings & are designed to be used in conjunction with precision profiles.
The precision comes from the tighter clearance (0.2mm) between the bearing & channel.
If this level of precision is not required, then please look at our standard range. Calculate which size you need using Hertzian Pressure.
Read our technical information on Combined Roller Bearings or view our application examples.
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| Part Number | D | T | d | H | h | B | A | S | r | Profile | Plate |
|---|---|---|---|---|---|---|---|---|---|---|---|
| PR4.054 | 64.8 | 42 | 30 | 37.5 | 30.5 | 20 | 2.5 | 20 | 3 | EC065L | PL0 |
| PR4.055 | 73.8 | 48 | 35 | 44 | 36 | 23 | 2.5 | 22 | 4 | EC074L | PL1 |
| PR4.056 | 81.8 | 54 | 40 | 48 | 36.5 | 23 | 3 | 24 | 4 | EC082L | PL2 |
| PR4.058 | 92.8 | 59 | 45 | 57 | 44 | 30 | 3.5 | 26 | 3 | EC093L | PL3 |
| PR4.061 | 111.8 | 71 | 60 | 69 | 55 | 31 | 4 | 34 | 5 | EC112L | PL4 |
| PR4.062 | 127.8 | 80 | 60 | 72.3 | 56 | 37 | 5 | 40 | 5 | EC128L | PL4 |
| PR4.063 | 153.8 | 103 | 60 | 78.5 | 58.5 | 45 | 5.5 | 50 | 3 | EC154L | PL6 |
All dimensions are in mm and loads are in kN.
LOAD CAPACITIES
Static and Dynamic Load Capacities for radial and axial rollers. If used with mating steel profile, the limiting load is the Hertzian Pressure.
| Part Number | C | C0 | Ca | C0a |
|---|---|---|---|---|
| PR4.054 | 31 | 35.5 | 11.1 | 11.5 |
| PR4.055 | 45.5 | 51 | 14 | 13 |
| PR4.056 | 48 | 56.8 | 18 | 18 |
| PR4.058 | 68 | 72 | 23 | 23 |
| PR4.061 | 81 | 95 | 31 | 36 |
| PR4.062 | 110 | 132 | 43 | 50 |
| PR4.063 | 151 | 192 | 68 | 71 |
C = Dynamic Load Capacity for Radial Roller
C0 = Static Load Capacity for Radial Roller
Ca = Dynamic Load Capacity for Axial Roller
C0a = Static Load Capacity for Axial Roller
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