Lubrication
Model RW recommended lubrication specications are listed in the table below. Furthermore, the Model RW is filled with THK AFB-LF grease as standard.
Lubrication Specications
| Lubrication specications | Lubricant |
|---|---|
| Grease lubricant | THK AFB-LF grease (standard sealing grease) |
| Oil lubricant | ISO VG68 oil |
- *Non-standard greases are also available. Contact THK for details.
AFB-LF Representative Physical Properties
| Item | Representative property | Representative property | |
|---|---|---|---|
| Consistency enhancer | Lithium-based | ||
| Base oil | Rened mineral oil | ||
| Base oil kinematic viscosity mm2/s (40℃) | 170 | JIS K 2220 23 | |
| Worked penetration (25℃, 60 W) | 275 | JIS K 2220 7 | |
| Mixing stability (100,000 W) | 345 | JIS K 2220 15 | |
| Dropping point: ℃ | 193 | JIS K 2220 8 | |
| Evaporation volume: mass% (99℃, 22 h) | 0.4 | JIS K 2220 10 | |
| Oil separation rate: mass% (100℃, 24 h) | 0.6 | JIS K 2220 11 | |
| Copper plate corrosion (B method, 100℃, 24 h) | Passed | JIS K 2220 9 | |
| Low-temperature torque mN･m (-20℃) |
Starting | 130 | JIS K 2220 18 |
| Rotational | 51 | ||
| 4-ball testing (welding load): N | 3089 | ASTM D2596 | |
| Operating temperature range: ℃ | -15 to 100 | ||
| Color | Yellowish brown | ||
