Product Description
Radial needle roller and cage assembly K Series is a separated unit with high load capacity and high rigid design, widely used in the elements which has limitation in the radial size. Every needle is precisionly guided and keep stable by the cage , so result to a better high speed performance .
| Product name | needle roller bearing cage |
| Model | K12X18X12 |
| Size | 12*18*12mm |
| Dynamic Load Rating | 9800kn |
| Static Load Rating | 8000kn |
| Package | Carton Box or Customized |
Catalogue of needle roller bearing cage for your choice
| Shaft | Bearing Designation | Boudary Dimensions | Basic Load Rating | Limiting Speed |
| Diameter | Current Model | Original Code | Fw | Ew | Bc | Cr Dynamic | Cor Static | Oil |
| mm | mm | N | rpm |
| 5 | K5X8X8 | 29241/5 | 5 | 8 | 8 | 2300 | 1880 | 37000 |
| K5X8X10 | 39241/5 | 5 | 8 | 10 | 2800 | 2450 | 37000 |
| 6 | K6X9X8 | 29241/6 | 6 | 9 | 8 | 2560 | 2240 | 35000 |
| K6X9X10 | 39241/6 | 6 | 9 | 10 | 3300 | 3100 | 35000 |
| K6X10X13 | 49241/6 | 6 | 10 | 13 | 3500 | 2800 | 33000 |
| 7 | K7X10X8 | 29241/7 | 7 | 10 | 8 | 2750 | 2550 | 32000 |
| K7X10X10 | 39241/7 | 7 | 10 | 10 | 3350 | 3400 | 32000 |
| 8 | K8X11X8 | 29241/8 | 8 | 11 | 8 | 3000 | 2900 | 30000 |
| K8X11X10 | 39241/8 | 8 | 11 | 10 | 3830 | 3950 | 30000 |
| K8X11X13 | 49241/8 | 8 | 11 | 13 | 5000 | 5700 | 30000 |
| K8X12X10 | 29242/8 | 8 | 12 | 10 | 4900 | 4600 | 30000 |
| 9 | K9X12X10 | 39241/9 | 9 | 12 | 10 | 4200 | 4700 | 30000 |
| K9X12X13 | 49241/9 | 9 | 12 | 13 | 5500 | 6700 | 30000 |
| 10 | K10X13X10 | 39241/10 | 10 | 13 | 10 | 4500 | 5250 | 27000 |
| K10X13X13 | 39241/10 | 10 | 13 | 13 | 6000 | 7600 | 27000 |
| K10X13X16 | — | 10 | 13 | 16 | 6300 | 7800 | 27000 |
| K10X14X10 | 29242/10 | 10 | 14 | 10 | 7000 | 7900 | 27000 |
| K10X14X13 | 39242/10 | 10 | 14 | 13 | 8000 | 9100 | 26000 |
| K10X16X12 | 19244/10 | 10 | 16 | 12 | 7000 | 9300 | 27000 |
| 12 | K12X15X9 | — | 12 | 15 | 9 | 4120 | 5210 | 25000 |
| K12X15X10 | 39241/12 | 12 | 15 | 10 | 4320 | 5730 | 25000 |
| K12X15X13 | 49241/12 | 12 | 15 | 13 | 6000 | 8100 | 25000 |
| K12X16X8 | 19242/12 | 12 | 16 | 8 | 4200 | 4700 | 25000 |
| K12X16X10 | 29242/12 | 12 | 16 | 10 | 6000 | 6900 | 25000 |
| K12X16X13 | 39242/12 | 12 | 16 | 13 | 7900 | 9200 | 25000 |
| K12X17X13 | 59242/12 | 12 | 17 | 13 | 9300 | 10000 | 24000 |
| K12X18X12 | 19244/12 | 12 | 18 | 12 | 9800 | 8000 | 24000 |
| K12X15X20 | K12X15X20 | 12 | 15 | 20 | 8200 | 12000 | 25000 |
| K14X18X17 | 59241/14 | 14 | 18 | 17 | 10500 | 13900 | 23000 |
| K14X20X12 | 19243/14 | 14 | 20 | 12 | 9900 | 10500 | 22000 |
