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RKS.061.20.0644
BWK
BWK-RKS.061.20.0644
RKS.061.20.0644 is a external gear four point contact slewing bearing with a 22.52 in bore, 29.244 in outside diameter and 2.205 in overall assembly height. External gearing provides a pinion-drive interface. Mounting dimensions, gear geometry and the load combination must be checked for the selected arrangement.
| Model | RKS.061.20.0644 |
| Product Type | External Gear Four Point Contact Slewing Bearing |
| Structure | Four-point contact ball arrangement with external gear |
| Dimension Units | Inch (dimensions shown) |
| Series | Medium Size Four-Point Contact |
| Gear | External Gear |
| Type | Ball |
| Bearing Type | Standard |
| Inside Diameter Of Inner Ring | 22.52 in |
| Outside Diameter Of Outer Ring | 29.244 in |
| Height Of Overall Bearing Assembly | 2.205 in |
| Internal Diameter On Outer Ring | 25.413 in |
| Height Of Inner Ring | 1.752 in |
| Height Of Outer Ring | 1.752 in |
| Internal Diameter On Inner Ring | 25.295 in |
| Bolt Circle In Inner Ring | 23.543 in |
| Bolt Circle In Outer Ring | 26.969 in |
| Size Holes In Inner Ring | 0.531 in |
| Size Holes In Outer Ring | M12 |
| Module | 6 |
| Number Holes In Inner Ring | 36 |
| Number Holes In Outer Ring | 32 |
| Pitch Diameter Of Gear | 28.819 in |
| Permissible Tooth Forces T | 3600 lbs |
| Basic Dynamic Load Rating(Ca) | 55800 lbf |
| Number Of Gear Teeth | 122 |
| Max Gear Tooth Load Fz | 12150 lbs |
| Diameter Of Bearing Raceway | 25.354 in |
| Basic Static Load Rating(C0a) | 355500 lbf |
| Ring Material Options | 42CrMo or 50Mn or 440C; confirm supplied grade when ordering |
| Ball Material | Chrome Steel |
| Cage Material | Nylon or 300 Series Stainless Steel |
| Seal Material | NBR |
| RoHS | Compliant |
| Weight | 52 kg |
Driven turntables, industrial rotary equipment and handling systems.
Assess axial load, radial load and overturning moment together with speed, duty cycle and mounting stiffness. Confirm the bolt circles, hole sizes, material grade, seal configuration and lubrication requirements before ordering. Use flat, adequately stiff mounting surfaces and the specified bolt-tightening procedure. Match the gear module or diametral pitch, tooth count and gear face width to the pinion, and check the permissible tooth load.
BWK provides reliable bearing solutions for industrial and agricultural applications, supported by stable supply, strict quality control and flexible OEM & ODM services.
