Bike Gearbox Bearing 163110 (16x31x10mm) Hybrid Ball Bearing
Basic Info.
| Inner Diameter | 4 mm |
| Outer Diameter | 9 mm |
| Thickness | 4 mm |
| Model | 684 |
| Material | Bearing Steel |
| Load Direction | Radial Bearing |
Introduction
This is a non-aligning, unseparated, single-row radial ball bearing (Model 684) with dimensions 4×9×4 mm. Made of high-quality bearing steel, it features low contact angle (0°), rich stock availability, and multiple sealing options (Z, ZZ, RS, etc.). Suitable for light-duty applications requiring compact size and reliable performance.
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Basic Info.
Model NO.
684
Stock
Rich
Aligning
Non-Aligning Bearing
Separated
Unseparated
Rows Number
Single
Load Direction
Radial Bearing
Material
Bearing Steel
Contact Angle
0
Model
684
Size
4*9*4mm
Transport Package
Individual Package/Industrial Package
Specification
Open, Z, ZZ, RZ, 2RZ, RS, 2RS
Trademark
ZJU; CN; OEM
Origin
Ningbo
HS Code
848220000
Production Capacity
100000

















