Japanese
Engine bearings lineup
| Type | Name | Main purpose | Characteristics | |||
|---|---|---|---|---|---|---|
| Chemical composition | Low fuel consumption |
Wear resistance |
Reliability | |||
| Bearing materials | Aluminum alloy Lining |
SA260 | Al-Sn-Si alloys/ Applicable to engine bearings, Applicable to crank washers. |
Standard material | ||
| SA253 | Al-Sn-Si alloys Si particle coarsening, Compatible with Cast iron shaft/ Improved wear resistance Applicable to engine bearings, |
〇 | ||||
| Polymer Coating (Aluminum alloy Lining) |
RA530 | Polymer coating/ low fuel consumption, Improved wear resistance Applicable to engine bearings, |
〇 | 〇 | 〇 | |
| RA570 | Polymer coating/ Improved robustness against foreign particles Applicable to engine bearings, |
〇 | 〇 | ◎ | ||
| RC100 | Polymer coating/ low fuel consumption, Improved wear resistance |
◎ | ◎ | 〇 | ||
| RB100 | Polymer coating/ low fuel consumption, Improved wear resistance Applicable to crank washers. |
〇 | 〇 | 〇 | ||
| Copper alloy Lining with metal ovarlay |
BP100 HB210 |
Bi overlay/Cu-Sn-Bi alloys/ Improved fatigue resistance Applicable to engine bearings |
〇 | |||
|
BP200 HK100 |
Bi alloy overlay/Cu-Sn-Bi alloys/ Improved fatigue resistance, Improved Oxidation resiatance Applicable to engine bearings |
◎ | ||||
| Copper alloy Lining |
HS221 | Cu-Sn-Ni alloys/ Improved fatigue resistance Applicable to piston pin bushings |
〇 | |||
| Design elements | Con-rod bearing |
robust design | Foreign particle capture during initial startup, Improvement of foreign particle discharge |
〇 | ||
| Main bearing |
Eccentric groove |
Oil pump capacity can be reduced, because it can reduce oil leakage. |
〇 | |||
|
round eccentric groove |
Oil pump capacity can be reduced, because it can reduce oil leakage. |
〇 | ||||
|
Partial twin groove |
Rapid warming up of the oil during cold starts | 〇 | ||||
| Crank washer |
taper land | Load capability improvement due to tapered land | 〇 | 〇 | ||
| Low-cost design | Change the outer shape to improve material yield. | Low-cost design | ||||
| Type | Name | Main purpose | Characteristics | |||
|---|---|---|---|---|---|---|
| Constituent parts/purpose | Wear resistance |
Seizure resistance |
Poor lubrication |
|||
| Bearing materials | Fuel injection pump |
CF100 | High strength resin-hard material/ Improved wear resistance, Applied to bushings with improved seizure resistance. |
◎ | ◎ | 〇 |
