Quantity:
Order Info
- Order will be shipped out from Chinese warehouse in 1-3 business days once being processed.
- Shipping rates vary by locations. See our Shipping Policy for details.
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
Product ID
|
Product Type
|
d (mm)
Inside Diameter |
D (mm)
Outer Diameter |
H (mm)
Width |
Dynamic Load
(N) |
Static Load
(N) |
Bearing Clearance
(mm) |
Max Speed
(rpm) |
Bearing Seal
Type |
EA003 | MR52 | 2 | 5 | 2.5 | 188 | 59 | 0.008 | 30000 |
Metal Shielded
|
EA004 | MR128 | 8 | 12 | 3.5 | 543 | 274 | 0.008 | 40000 |
Metal Shielded
|
EA005 | 6704 | 20 | 27 | 4 | 1013 | 720 | 0.015 | 10000 |
Metal Shielded
|
Comparison of Bearing Materials
Material | Price |
Rotational Resistance
|
Rotational Noise
|
Size
|
Durability | Weight |
With Lubricant or Not
|
Resistance to Humid Environments
|
Bronze | Very affordable | Moderate | Low | Small | Short lifespan | Medium | Yes | Good |
Bearing Steel | Affordable | Low | Moderate | Standard | Moderate lifespan | Heavy | No | Not ideal |
Plastic | Relatively expensive | Moderate | Very low | Standard | Long lifespan | Very light | Yes |
Excellent
|
Ceramic Ball | Expensive | Very low | Moderate | Standard | Long lifespan | Medium | Yes | Not ideal |
Bearing Steel Bearings
- Reasonable price
- Excellent overall performance
- Solid weight
Ideal Applications for Bearing Steel Bearings
- Applicable to most scenes
- Attention to rust prevention
Basic Information
Ball Bearing Profile | Standard |
Cage Material | Steel |
Bearing Type | Ball |
Bearing Construction | Single row |
Inner & Outer Ring Material | Steel |
Ball Type | Steel |
From $1.49 USD