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Product Specifications:
| Item | Precision Ball |
| Ball Bearing Grade | 25 |
| Brinell Hardness | 654 |
| Heat Treatable | Yes |
| Heat Treatment | Tempered |
| Machinability | Not Rated |
| Material | Alloy Steel |
| Material Grade | Grade 52100 |
| Mechanical Finish | Polished |
| Outside Diameter | 4 mm |
| Outside Diameter Tolerance | -0.00254 mm to +0.00254 mm |
| Rockwell Hardness | C60 to C67 |
| Shape | Ball |
| Standards | Aisi E52100 |
| System Of Measurement | Metric |
Shipping Info:
| Ship weight (kg) | 0.03 |
| Ship height (cm) | 2.54 |
| Ship length (cm) | 2.54 |
| Ship width (cm) | 2.54 |
Product Variants
| Model | Ball Bearing Grade | Rockwell Hardness | Ball Weight | Brinell Hardness | Shape | Machinability | Pkg. Qty. | Price | |
|---|---|---|---|---|---|---|---|---|---|
| 4RJF5 | 25 | C60 to C67 | - | 654 | Ball | Not Rated | 100 | €9.57 | |
| HC04330725XXXMM | 25 | C60 to C67 | - | 654 | Ball | Not Rated | 50 | €15.55 | |
| HC05905525XXXMM | 25 | C60 to C67 | - | 654 | Ball | Not Rated | 25 | €22.91 | |
| 4RJG1 | 25 | C60 to C67 | 1.497g | 654 | Ball | Not Rated | 100 | €12.40 | |
| 4RJF6 | 25 | C60 to C67 | 0.256g | 654 | Ball | Not Rated | 100 | €8.94 | |
| 4RJT2 | Grade 200 | B75 to B87 | - | - | - | - | 250 | €67.18 | |
| HC01968525XXXMM | 25 | C60 to C67 | - | 654 | Ball | Not Rated | 100 | €10.86 |
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GRAINGER HC01574825XXXMM Precision Ball, 4 mm Dia., 0.266 g Ball Weight, High Carbon Chrome Steel
€9.94 /pack

