Balls

According DIN 5401 / ISO 3290

Kugeln
Class
(grade)
Dw Nominal size
[mm] over
Dw
[mm] to
Dw Limit dimension
[µm]
Variation of ball-Ø
[µm] max.
Roughness
[Ro] max.
V DwL*
[µm] max.
V DwA#
[µm] max.
Variation range
[µm]
G3-12,7± 5,320,080,010,13-0,5
G5-12,7± 5,630,130,0140,25-1
G10-25,4± 9,750,250,020,5-1
G16-25,4± 11,40,40,0250,8-2
G20-38,1± 11,50,50,0321-2
G28-50,8± 13,70,70,051,4-2
G40-100± 1910,062-4
G80-100± 1420,1-44
G100-150± 47,52,50,15-10
G200-150± 72,550,1510-10
G300-25,4± 70100,2-2020
G30025,450,8± 105150,2-3030
G30050,875± 140200,2-4040
G500-25,4± 7525--5050
G50025,450,8± 112,525--7575
G50050,875± 15025--100100
G50075100± 187,532--125125
G500100125± 22538--150150
G500125150± 262,544--175175
G600all± 200---400-
G700all± 1000---2000-

*V DwL = Variation of ball-Ø in a batch #V DwA Variation of ball-Ø in a grade

MARTERIAL, HARDNESS:  

Bearing steel acc. DIN EN ISO 683-17
Standard material:  100Cr6 (1.3505)
On demand: hardening stainless steel, ceramic, synthetics, glass

Hardness acc. DIN 5401
min. 740 HV10

Download balls table of sizes

We deliver, depending on size and material, upon to grade G0 which is remarkably better than the DIN indicates.