Needle Roller Bearing:
1 High quality and good service
2 Less coefficient of friction
3 Competitive price
4 Variations of structure :
3 Competitive price
4 Variations of structure :
A) Machined Type Needle roller bearing
NA49, NA59, NA69,NKI, NKIS, BRI, TAFI,NAO, NA...2RS, etc
B) Machined Type Needle roller bearing without inner ring
RNA49, RNA59, RNA69,NK, NKS, TAF,RNAO, RNA, HJ,BR,NCS,MR, etc
C) Drawn Cup Needle bearing
HK, BK,TA,TLA,F,FH,SN,MF,MFH,MFH,SCE,BCE,SCH,BCH,BA,B,BH,M,MH,HK...OH,etc
D) Drawn Cup Needle Roller Clutches
HF,HFL,RC,FC,FCB, etc
5 Material: Carbon steel, chrome steel, stainless steel and ceramic bearing
6 Samples are available before order
| shaft diameter | bearing designation | boundary dimensions | basic load rating | limiting speed | ||||
| current code | original code | FW | D | C | dynamic | static | oil | |
| C | Co | |||||||
| mm | mm | N | rpm | |||||
| 3 | HK0306TN | 3 | 6.5 | 6 | 1320 | 950 | 60000 | |
| 4 | HK0408TN | 37941/4 | 4 | 8 | 8 | 1540 | 1070 | 40000 |
| 5 | HK0509 | 47941/5 | 5 | 9 | 9 | 2200 | 1790 | 36000 |
| 6 | HK0608 | 37941/6 | 6 | 10 | 8 | 1830 | 1550 | 32000 |
| HK0609 | 47941/6 | 6 | 10 | 9 | 2650 | 2400 | 3000 | |
| 7 | HK0708 | 7 | 11 | 8 | 2800 | 2150 | 27000 | |
| HK0709 | 47941/7 | 7 | 11 | 9 | 2800 | 2150 | 27000 | |
| 8 | HK0808 | 37941/8 | 8 | 12 | 8 | 2550 | 2400 | 21000 |
| HK0810 | 57941/8 | 8 | 12 | 10 | 3700 | 3450 | 21000 | |
| HK08X14X10 | 27942/8 | 8 | 14 | 10 | 3800 | 3950 | 25000 | |
| HK08X14X12 | 37942/8 | 8 | 14 | 12 | 4100 | 4320 | 25000 | |
Our Factory
Ningbo Demy (D&M) Bearings Co., Ltd. is a leading manufacturer of ball & roller bearings and exporter of belts, chains and auto parts in China. We specialize in research and development of various kinds of high precision, non-noise, long-life bearings, high quality chains, belts, auto parts and other machinery & transmission products.
