Four-Point Contact Ball Bearings
Model|
ORDER
Bearing No. |
SD
Inside diameter [mm] |
D
Outside Diameter [mm] |
B
Width [mm] |
R
Chamfer Dimension [mm] |
CR1
Basic Dynamic Load Ratings [N] |
COR1
Basic Static Load Ratings [N] |
CR2
Basic Dynamic Load Ratings [kgf] |
COR2
Basic Static Load Ratings [kgf] |
LG
Limiting Speed Grease [rpm] |
LO
Limiting Speed Oil [rpm] |
AO
Load center spacings [mm] |
DA1
Abutment and Fillet Dimensions min. [mm] |
DA2
Abutment and Fillet Dimensions max. [mm] |
RA
Abutment and Fillet Dimensions max. [mm] |
MASS
Mass [kg] |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| QJ236 | 180 | 320 | 52 | 4 | 440000 | 1270000 | 45000 | 130000 | 1500 | 2000 | 175.1 | 198 | 302 | 0.3 | 20.5 |
| QJ336 | 180 | 380 | 75 | 4 | 595000 | 1770000 | 60500 | 180000 | 1300 | 1800 | 196.1 | 198 | 362 | 3 | 48 |
| QJ1038 | 190 | 290 | 46 | 2.1 | 325000 | 925000 | 33000 | 94000 | 1600 | 2200 | 168 | 202 | 278 | 2 | 11.5 |
| QJ238 | 190 | 340 | 55 | 4 | 455000 | 1360000 | 46500 | 139000 | 1400 | 2000 | 185.6 | 208 | 322 | 3 | 23 |
| QJ338 | 190 | 400 | 78 | 5 | 655000 | 1980000 | 67000 | 202000 | 1300 | 1700 | 206.6 | 212 | 378 | 4 | 54.5 |
| QJ1040 | 200 | 310 | 51 | 2.1 | 345000 | 1020000 | 35500 | 104000 | 1500 | 2000 | 178.6 | 212 | 298 | 2 | 15 |
| QJ240 | 200 | 360 | 58 | 4 | 490000 | 1480000 | 49500 | 151000 | 1300 | 1800 | 196.1 | 218 | 342 | 3 | 27 |
| QJ340 | 200 | 420 | 80 | 5 | 690000 | 2180000 | 70500 | 222000 | 1200 | 1600 | 217.1 | 222 | 398 | 4 | 61.5 |
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