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| Item | 684-2RS ABEC-3 Miniature ball bearing for RC Toys 4x9x4mm |
| Feature | Single row, large type, ball, metal shields, rubber seals |
| Model No | 684ZZ, 684-2Z, 684-2RS, 684RS |
| Sizes(mm) | 4x9x4mm |
| Material | Chrome steel |
| Sealed Type | ZZ metal shields, 2RS rubber seals |
| Precision | ABEC-3, Z1 level |
| Clearance | C0, C2, C3, C4 |
| Application | 684-2RS ABEC-3 Miniature ball bearing for RC Toys 4x9x4mm |
| Packing | 10pcs / plastic tube+White small box+Carton+Pallet |
| Lubrication | Grease, Dry Lube or Oil |
Miniature Ball Bearings are machined components that include an outer ring, inner ring, balls, retainers, shields and snap rings.
Small Ball Bearings, which made of chrome steel( GCr15 bearing steel, SAE52100) and stainless steel (AISI420, AISI440C). mini bearing inner bore sizes as small as 1mm..
684-2RS ABEC-3 Miniature ball bearing for RC Toys 4x9x4mm
Sizes: ID 4mm x OD 9mm x W 4mm
Bearings Match #: 684-2RS, MR684-2RS, 684RS, 684VV, 684LLU, DDL-940DD, L940-2RS, 684LL, 684.2RS
Dongguan Youchi Bearing Co.,Ltd supply RC ball bearing set, hybrid ceramic bearing, stainless steel ball bearing , flanged bearings, one way bearing... widely used for RC models, racing, trucks, boat, cars..
SKYPE:Salia
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:Salia Hu
QQ:897305849 
Weixin:haiyuan508