Technical data
Product specifications
Metric and imperial values are paired where the manufacturer provides both. Expand a section to review its parameters.
Core specifications5 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Variant / construction | Cylindrical roller thrust bearings / Metric series / Thrust cylindrical roller and cage assemblies(K.811,K.812) | |
| Width | B | 25 mm |
| Fatigue load limit | Pu | 45.2 kN |
| Limiting speed | nG | 3600 r/min |
| Mass | ≈m | 0.219 kg |
Manufacturer Identity2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Brand | KOYO | |
| Official Class Key | 090-070-010 |
Classification2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Official Category Path | Needle roller bearings - Cylindrical roller thrust bearings - Metric series - Thrust cylindrical roller and cage assemblies(K.811,K.812) | |
| Official Classification 1 | Needle roller bearings / Cylindrical roller thrust bearings / Metric series / Thrust cylindrical roller and cage assemblies(K.811,K.812) |
Technical Data21 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Dc1 | 55 mm | |
| Dc | 90 mm | |
| Dw | 11.0 mm | |
| Basic Load Ratings Ca | 138 kN | |
| Basic Load Ratings C0A | 403 kN | |
| Fatigue Load Limit : Cu | 45.2 kN | |
| Limiting Speeds(Oil Lub.) | 3600 min-1 | |
| T | 25 mm | |
| Eb(Max.) | 61 mm | |
| Ea(Max.) | 84 mm | |
| ra | 1.0 mm | |
| Washer Dimensions : D | 55 mm | |
| Washer Dimensions : D1 | 57 mm | |
| Washer Dimensions : D,D1 | 90 mm | |
| Washer Dimensions : H(Max) | 7.00 mm | |
| Washer Dimensions : H(Min) | 6.81 mm | |
| Washer Dimensions : Rs(Min.) | 1.0 mm | |
| Washer Designation(Shaft Piloted) | WS.81211 | |
| Washer Designation(Housing Piloted) | GS.81211 | |
| (Refer.)Washer Mass | 0.219 kg | |
| Mass(Refer.) | 0.140 kg |
