China’s wind power industry: technologies and challenges in moving towards the international market
China’s wind power industry: technologies and challenges in moving towards the international market
PRODUCT
Needle roller bearing to see if there is without a cage type
by：Waxing
2020-11-24
The market at present the mainstream brands or INA (
With FAG schaeffler group)
IKO is given priority to, other brands also have production, but professional or value are different.
So, needle roller bearing are without cage type?
A, domestic current code: no turning outer ring needle roller bearing cage code usually have letters in V, for example: RNAV4003 is no cage bearing (
Needle roller bearings as well)
Drawn cup needle roller bearing case: HK2020 bearing, old code is 7943/20, full roller bearings (
No cage)
Code: 943/20 (
In F.
For example: nothing HK2020 bearing cage code for F -
2020.
）
Second, the needle roller bearing is there without a cage type IKO code stamping outer ring needle roller bearing code expressed with YT: full of TLA48Z bearing roller type is: YTL48Z turning outer ring needle roller bearing code expressed with GTR.
For example: NA4907 models is GTRI355520 full of bearing roller.
The letter 'I' means with inner ring, 35, 55, 20 were NA4907 inside diameter, outside diameter, width size)
Third, INA code.
INA code in accordance with domestic model (
Established domestic bearing manufacturers have the habit of using SKF, INA code)
Example: take bolt needle roller bearings.
KR16PP (
A cage)
KRV16PP（
No cage)
IKO bearing CF6BR and CF6VBR)
A: rolling bearing corrosion under the causes and prevention methods of an article: free combination pair of angular contact ball bearing is introduced
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