Hobbydex / RC cars / ABC Hobby / 72004

72004 · Ball Bearing 4x8

Brand: ABC Hobby
Part number: 72004
Source: ABC Hobby Goose instruction manual (English)
Category: Bearings and bushings · more from ABC Hobby
Spec: 4x8x3mm ball bearing (MR84)
Type: radial-ball
Bore (mm): 4
Outer (mm): 8
Width (mm): 3
Designation: MR84
Modified: 2026-10-30

To scale, from the generic size 4x8x3mm ball bearing (MR84).

Equivalent to

Generic spec	Match	Standards	Source
4x8x3mm ball bearing (MR84)	close		Width not stated in the name; 3 mm is the standard width of a 4x8 bearing (MR84)

Used in

Year	Release	Role
unknown	ABC Hobby Goose	listed

Compatibility according to the manufacturer's parts lists; see each release for the source document.

Data: 72004.toml on GitHub · report an error