Note: Below Given Chart is Generic Specifications are depending on specific requirements.
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Technical Specification of Cylindrical Bearing Rollers
| Sr No. | Parameter | Tolerence |
|---|---|---|
| 1 | Diameter | In 2μm Group |
| 2 | Ovality | 1μm (Maximum) |
| 3 | Length (Tolerance on Basic Size) | – 20μm (Maximum), Grouping Within 6μm |
| 4 | Face Squareness | 6μm (Maximum) |
| 5 | Od S/Roughness (Ra) | 0.10μm (Maximum) |
| 6 | Face S/Roughness (Ra) | 0.20μm (Maximum) |
| 7 | Roundness (Filter: 1-15) | 1μm (Maximum) |
| 8 | Hardness | 60 To 64 HRC |
| 9 | Visual Inspection | Free from Rust, Dent Marks, Spiral Lines on OD, Out of Radius |
| 10 | Material | SAE 52100 |
| 11 | Micro Structure | Fine Tempered Martensite with Undissolved Carbides |
| 12 | Crowning (Pt) | Depend on Ground Length |
NOTE: The Crowning value is to be consider only for 75 to 80% of center Roller length.
(Below chart is a standard chart crowning can be generated as per customer requirement)
(Below chart is a standard chart crowning can be generated as per customer requirement)
| Ground Length (MM) | Crowning (Pt) μm | ||
|---|---|---|---|
| Min. | Max. | Min. | Max. |
| 6 | 7 | 1 | 3 |
| 8 | 10 | 1.5 | 5 |
| 11 | 14 | 2 | 7 |
| 15 | 17 | 3 | 9 |
| 18 | 19 | 5 | 10 |
| 20 | 22 | 7 | 14 |
| 23 | 7 | 15 | |
| 24 | 25 | 8 | 16 |
| 26 | 8 | 17 | |
| 27 | 28 | 8 | 18 |
| 29 | 30 | 9 | 18 |
| 31 | 32 | 9 | 19 |
