NRB NRA Needle

NRB NRA Needle

Needle and roller  Generally grinding by bearing steel wire, it’s rolling element of needle roller bearing and roller bearing with high precision and stability. FY needle roller and roller are in G2 group.

 

Main Characteristic

►High hardness

►High precision

►Widely use

 

MaterialGCr15 chrome steel
ProcessGrinding
Heat treatmentQuenching

 

 Structure instruction
NRBChamfer at end surface
NRARound at end surface
ZRBGrinding at end surface

 

Category: Tag:

Description

Image and structure of   NRB NRA Needle

Detail dimension of

NRB NRA Needle

MODEL MODEL
DwDwLwDwDwLw
mmmmmmmm
1NRB1X7,8-G217,83NRB3X21,8-G2321,8
1,5NRB1,5X5,8-G21,55,8NRB3X23,8-G2323,8
NRB1,5X6,8-G21,56,83,5NRB3,5X11,8-G23,511,8
NRB1,5X7,8-G21,57,8NRB3,5X13,8-G23,513,8
NRB1,5X9,8-G21,59,8NRB3,5X15,8-G23,515,8
NRB1,5X11,8-G21,511,8NRB3,5X17,8-G23,517,8
NRB1,5X13,8-G21,513,8NRB3,5X19,8-G23,519,8
2NRB2X6,3-G226,3NRB3,5X21,8-G23,521,8
NRB2X7,8-G227,8NRB3,5X29,8-G23,529,8
NRB2X9,8-G229,8NRB3,5X34,8-G23,534,8
NRB2X11,8-G2211,84NRB4X11,8-G2411,8
NRB2X13,8-G2213,8NRB4X13,8-G2413,8
NRB2X15,8-G2215,8NRB4X15,8-G2415,8
NRB2X17,8-G2217,8NRB4X17,8-G2417,8
NRB2X19,8-G2219,8NRB4X19,8-G2419,8
NRB2X21,8-G2221,8NRB4X21,8-G2421,8
2,5NRB2,5X7,8-G22,57,8NRB4X23,8-G2423,8
NRB2,5X9,8-G22,59,8NRB4X25,8-G2425,8
NRB2,5X11,8-G22,511,8NRB4X27,8-G2427,8
NRB2,5X13,8-G22,513,8NRB4X29,8-G2429,8
NRB2,5X15,8-G22,515,8NRB4X34,8-G2434,8
NRB2,5X17,8-G22,517,8NRB4X39,8-G2439,8
NRB2,5X19,8-G22,519,85NRB5X15,8-G2515,8
NRB2,5X21,8-G22,521,8NRB5X19,8-G2519,8
NRB2,5X23,8-G22,523,8NRB5X21,8-G2521,8
3NRB3X9,8-G239,8NRB5X23,8-G2523,8
NRB3X11,8-G2311,8NRB5X25,8-G2525,8
NRB3X13,8-G2313,8NRB5X27,8-G2527,8
NRB3X15,8-G2315,8NRB5X29,8-G2529,8
NRB3X17,8-G2317,8NRB5X34,8-G2534,8
NRB3X19,8-G2319,8NRB5X39,8-G2539,8

 

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