Hobbydex / RC cars / YIKONG / 71121 YIKONG TB7 YK4073 Parts Ball Bearing (21x15x4)

71121 YIKONG TB7 YK4073 Parts Ball Bearing (21x15x4)

Brand: YIKONG
Source: yikongrccar.com dealer shop: YIKONG product titles, car kits and parts (a dealer's pages, not the maker's)
Category: Bearings and bushings · more from YIKONG
Dealer page: yikongrccar.com
Pack: 6 pcs
Spec: 15x21x4mm ball bearing (6702)
Type: radial-ball
Bore (mm): 15
Outer (mm): 21
Width (mm): 4
Designation: 6702
Modified: 2026-10-27

To scale, from the generic size 15x21x4mm ball bearing (6702).

Equivalent to

Generic spec	Match	Standards	Source
15x21x4mm ball bearing (6702)	functional		Size parsed from the manufacturer's description

Fits these platforms (1)

Platform	How	Source
YIKONG YK4073	fitment list: replaces	yikongrccar.com dealer shop: YIKONG product titles, car kits and parts (a dealer's pages, not the maker's)

Data: 1954-71121-yikong-tb7-yk4073-parts-ball-bearing-21x15x4.toml on GitHub · report an error