Durable Hybrid Ball Bearing 163110 (16x31x10) for Bike Transmissions
Basic Info.
| Inner Diameter | 4 mm |
| Outer Diameter | 9 mm |
| Thickness | 4 mm |
| Type | Radial Bearing, Non-Aligning, Single Row |
| Material | Bearing Steel |
| Stock Status | Rich |
Description
This 684 deep groove ball bearing features compact dimensions (4×9×4 mm), high precision, and robust performance. Made from premium bearing steel, it supports radial loads only and is unseparated with open/ZZ/2RS sealing options. Ideal for small machinery, motors, and precision instruments.
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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

















