Needle roller bearing
Needle roller bearing is thin and long relative to its diameter, compare with cylindrical roller, such iscalled needle roller. Despite of the smaller cross-section, bearing still has a higher load bearing capacity, so it is especially suitable for radial space restricted applications.
Features:
1) Needle bearing can be separated by single row.
2) This kind of bearing can be submitted to high radial load and some axial load.
3)The rolling element of needle roller bearing is needle, two ends of the external lines have the corrective slope which can eliminate the contact stress.
4) Moreover, we can manufacture these bearings according to customer's drawings and samples.

| Bearing Designation | Boundary Dimensions | Basic Load Ratings | Limiting Speed | Weight |
| HK | BK | Fw | D | C | Cr Dynamic | Cor Static | Oil |
| mm | mm | mm | Nm | Nm | rpm | g |
| HK1212 | BK1212 | 12 | 18 | 12 | 3800 | 5100 | 15000 | 6.2 |
| HK12x17x12 | - | 12 | 17 | 12 | 5100 | 7000 | 15000 | -- |
| HK12x17x15 | - | 12 | 17 | 15 | 5100 | 7000 | 15000 | -- |
| HK12x17x18 | - | 12 | 17 | 18 | 5100 | 7000 | 15000 | -- |
| HK12x18x12 | BK12x18x12 | 12 | 18 | 12 | 550 | 6300 | 17000 | 10.3 |
| HK1312 | BK1312 | 13 | 19 | 12 | 6200 | 7100 | 17000 | 11.2 |
| HK13.5x20x12 | - | 13.5 | 20 | 12 | 6250 | 7590 | 16000 | -- |
| HK1412 | - | 14 | 20 | 12 | 6800 | 7500 | 14000 | -- |
| HK1416 | - | 14 | 20 | 16 | 7300 | 9000 | 14000 | -- |
| HK15x20x12 | - | 15 | 20 | 12 | 5800 | 6000 | 14000 | -- |
| HK15x20x16 | - | 15 | 20 | 16 | 6000 | 6200 | 14000 | -- |
| HK15x20x20 | - | 15 | 20 | 20 | 6100 | 6400 | 14000 | -- |
| HK1512 | BK1512 | 15 | 21 | 12 | 7000 | 8400 | 14000 | 12.7 |
| HK1514 | - | 15 | 21 | 14 | 8500 | 10400 | 13000 | -- |
| HK1515 | - | 15 | 21 | 15 | 9100 | 11400 | 13000 | -- |
| HK1516 | BK1516 | 15 | 21 | 16 | 9800 | 11400 | 14000 | 16.5 |
| HK1522 | - | 15 | 21 | 22 | 10400 | 16500 | 14000 | 22 |
| HK15x22x12 | - | 15 | 22 | 12 | 14300 | 18400 | 13000 | -- |
| HK1612 | BK1612 | 16 | 22 | 12 | 7100 | 9200 | 14000 | 13.8 |
| HK1614 | - | 16 | 22 | 14 | 8800 | 9900 | 12000 | -- |
| HK1616 | BK1616 | 16 | 22 | 16 | 10100 | 14300 | 14000 | 17.6 |
| HK1622 | - | 16 | 22 | 22 | 11100 | 17400 | 14000 | 23.4 |
| HK1712 | - | 17 | 23 | 12 | 6900 | 9300 | 13000 | 14.5 |
| HK1714 | - | 17 | 23 | 14 | 6800 | 10200 | 10000 | -- |
| HK1716 | - | 17 | 23 | 16 | 8500 | 12500 | 10000 | -- |
| HK1718 | - | 17 | 23 | 18 | 9500 | 10600 | 10000 | -- |
| HK17x25x14 | - | 17 | 25 | 14 | 13100 | 147000 | 10000 | -- |
| HK17x25x18 | - | 17 | 25 | 18 | 9500 | 10600 | 11000 | -- |
| HK1812 | - | 18 | 24 | 12 | 7100 | 9900 | 12000 | 14.9 |
| HK1816 | BK1816 | 18 | 24 | 16 | 10600 | 15300 | 12000 | 19.9 |
| HK2010 | - | 20 | 26 | 10 | 5900 | 7200 | 10000 | 14 |
| HK2014 | - | 20 | 26 | 14 | 9700 | 18100 | 9000 | -- |
| HK2016 | BK2016 | 20 | 26 | 16 | 11700 | 29100 | 10000 | 22.3 |
| HK2018 | - | 20 | 26 | 18 | 7900 | 12800 | 9000 | -- |
| HK2020 | - | 20 | 26 | 20 | 13700 | 24000 | 10000 | 27.1 |
| HK2030 | - | 20 | 26 | 30 | 21800 | 40000 | 10100 | 37.4 |
| HK20x27x20 | - | 20 | 27 | 20 | 26300 | 47800 | 9900 | -- |
| HK2210 | - | 22 | 28 | 10 | 7200 | 9500 | 10010 | -- |
| HK2212 | BK2212 | 22 | 28 | 12 | 8100 | 10400 | 10010 | 18.1 |
| HK22x29x30 | - | 22 | 29 | 30 | 19400 | 33100 | 9000 | -- |
| HK2512 | BK2512 | 25 | 32 | 12 | 10000 | 14200 | 9000 | 23.2 |
| HK2525 | BK2525 | 25 | 32 | 25 | 22200 | 36700 | 9000 | -- |
| HK2816 | BK2816 | 28 | 35 | 16 | 15400 | 22500 | 8700 | 34.1 |
| HK2820 | BK2820 | 28 | 35 | 20 | 18900 | 32000 | 8700 | 43 |
| HK3012 | BK3012 | 30 | 37 | 12 | 10100 | 16200 | 8100 | 27.9 |
| HK3020 | BK3020 | 30 | 37 | 20 | 19700 | 33500 | 8100 | 46.5 |
| HK3224 | - | 32 | 39 | 24 | 25500 | 5200 | 7300 | -- |
| HK3516 | BK3516 | 35 | 42 | 16 | 15700 | 27500 | 7100 | 43.8 |
| HK4012 | BK4012 | 40 | 47 | 12 | 14000 | 24300 | 6300 | 38.2 |
| HK4512 | BK4512 | 45 | 52 | 12 | 12900 | 22500 | 5800 | 45 |
| HK5020 | BK5020 | 50 | 58 | 20 | 28000 | 60000 | 5300 | 87.3 |
| HK6012 | BK6012 | 60 | 68 | 12 | 12400 | 29000 | 4100 | -- |