SKF bearing Group offers a recommended range of 42 items balls and crossed rollers designs in size range from 400 mm to 1900 mm. SKF slewing bearings are usually with the prefix RKS, such as RKS.21 0641, this is a crossed roller design, which is intended for the most demanding applications.
• A better dynamic capacity and a long service life
• A better stiffness due to the preload
• A better resistance to false brinelling and vibrations
SKF crossed roller slewing bearings: RKS.21 0641
Dimension: 534mm x 742mm x 56mm
Weight: 52KGS
Origin: Made in Germany
Delivery: 3-5DAYS
| Specifications | |
| Part Number | RKS.21 0641 |
| Gear | external gear |
| Geometry | |
| weight | 52,0 |
| dm | 641 |
| D | 742 |
| D2 | 642,5 |
| d | 534 |
| d1 | 598 |
| d2 | 639,5 |
| Attachment bolt holes | |
| Outer ring | |
| Je | 685 |
| Ke | M 12 |
| Ne | 16 |
| inner ring | |
| Ji | 562 |
| Ki | 18 |
| Ni | 16 |
| Gear Data | |
| Gear Dimensions(d01) | 732 |
| Module(m) | 6 |
| Number of teeth(z) | 122 |
| Permissible tooth forces T(fnormal) | 16 |
| Permissible tooth forces T(fMAX) | 54 |
| Basic load ratings | |
| axial dynamic (C) | 200 |
| static (C0) | 440 |
| Static limitingload diagram | |
| Raceway curves | r3 |
| Bolt curves | b3 |
| INA | SKF | KAYDON | IMO |
| VLI200414-N | RKS.22 0411 | RK6-16N1Z | 92-20 0413/1-37212 |
| VLI200544-N | RKS.22 0541 | RK6-22N1Z | 92-20 0541/1-37222 |
| VLI200644-N | RKS.22 0641 | RK6-25N1Z | 92-20 0641/1-37232 |
| VLI200744-N | RKS.22 0741 | RK6-29N1Z | 92-20 0741/1-37242 |
| VLI200844-N | RKS.22 0841 | RK6-33N1Z | 92-20 0841/1-37252 |
| VLI200944-N | RKS.22 0941 | RK6-37N1Z | 92-20 0941/1-37262 |
| VLI201094-N | RKS.22 1091 | RK6-43N1Z | 92-20 1091/1-37272 |
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