The store will not work correctly when cookies are disabled.
JavaScript seems to be disabled in your browser. For the best experience on our site, be sure to turn on Javascript in your browser.
4mm ID x 12mm OD Flanged Ball Bearing (2 pack) When used with 12mm center hole adaptors these bearings are compatible with any Actobotics component that utilizes the 0.770” hub pattern.
Simply slide our 12mm center hole adaptor onto these 12mm OD ball bearings and insert them into the large channel holes.
Material: Stainless Steel
Length: 4mm
Inside Diameter: 4mm
Outside Diameter : 12mm
FlangeThickness: 1mm
Flanged Diameter: 13.5mm
This website uses cookies to improve your experience. By clicking “Accept”, you consent to the use of ALL the cookies. However you may visit Cookie Settings to provide a controlled consent.
Sizing Charts
Women
Size
XS
S
S
M
M
L
EU
32
34
36
38
40
42
UK
4
6
8
10
12
14
US
0
2
4
6
8
10
Bust
79.5cm / 31"
82cm / 32"
84.5cm / 33"
89.5cm / 35"
94.5cm / 37"
99.5cm / 39"
Waist
61.5cm / 24"
64cm / 25"
66.5cm / 26"
71.5cm / 28"
76.5cm / 30"
81.5cm / 32"
Hip
86.5cm / 34"
89cm / 35"
91.5cm / 36"
96.5cm / 38"
101.5cm / 40"
106.5cm / 42"
Men
Size
XS
S
M
L
XL
XXL
UK/US
34
36
38
40
42
44
Neck
37cm / 14.5"
38cm /15"
39.5cm / 15.5"
41cm / 16"
42cm / 16.5"
43cm / 17"
Chest
86.5cm / 34"
91.5cm / 36"
96.5cm / 38"
101.5cm / 40"
106.5cm / 42"
111.5cm / 44"
Waist
71.5cm / 28"
76.5cm / 30"
81.5cm / 32"
86.5cm / 34"
91.5cm / 36"
96.5cm / 38"
Seat
90cm / 35.4"
95cm / 37.4"
100cm / 39.4"
105cm / 41.3"
110cm / 43.3"
115cm / 45.3"