Needle bearing:

1. Types: HKseries, KRseries, NAseries, , NATRseries, NUTRseries, RNA, ZARN, ZKLF, ZKLNseries, etc.

2. Material: Gcr15-China, (AISI)52100-USA, (DIN)100CR6-Germany

3. Retainer: Steel cage

4. Clearance: CN, C2, C3, C4, C5

5. Precision level: ABEC-1, ABEC-3, ABEC-5

6. Main application: Needle roller bearings are widely used in machine tools, metallurgical machinery, textile machinery and printing machinery and other machinery and equipment, and mechanical system design allows a very compact and nimble.

Series	Item NO.	Bore Diameter(mm)
BK	BK0408~BK6032	4~60
HK	HK0408~HK6032	4~60
BA	BA55~BA1816	7.94~22.22
SCE	SCE108~SCE1616PP	15.88~25.4
F	F-0608~F-60*68*40	6~60
HF	HF0409~HF3530	4~35
K	K5*8*8TN~K110*118*30	5~110
KZK	KZK8*12*8~KZK40*48*20	8~40
KBK	KBK8*11*10~KBK20*25*25	8~20
NK	NK5/10TN~NK60/25	5~60
RNA	RNA4900~RNA4928	14~160
	RNA6900~RNA6919	14~110
NKI	NKI8~NKI100/30	8~100
NA	NA4900~NA4928	10~140
	NA6900~NA6919	10~95
RNAV	RNAV4002~RNAV4017	21.87~104.8
NAV	NAV4002~NAV4017	15~85
AXK	AXK0414TN~AXK160200	4~160
NTA	NTA-512~NTA-3244	7.92~50.80
AXW	AXW10~AXW50	10~50
AS	AS0414~AS160200	4~160
WS	WS81102~WS81132	15~160
ZS	ZS1127~ZS141199	15~160