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BALL BEARING MRC(SKF) 306SZZC
The MRC (SKF) 306SZZC is a single-row deep groove ball bearing in cartridge type design, engineered for applications requiring greater internal grease capacity, continuous-duty performance, and long service life. It features double rubber seals to retain lubricant and protect against dust, moisture, and contamination.
This model is commonly used in electric motors, pumps, industrial fans, conveyors, and machinery where a wider bearing configuration is required.
MRC is a respected industrial bearing brand within the SKF group.
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Product Details
| Item | Specification |
|---|---|
| Model | 306SZZC |
| Brand | MRC / SKF |
| Bearing Type | Deep Groove Ball Bearing |
| Design | Cartridge Type |
| Bore Diameter (ID) | 30 mm |
| Outside Diameter (OD) | 72 mm |
| Width | 30.16 mm (1.188 in) |
| Rows | Single Row |
| Closure Type | Double Rubber Seals |
| Snap Ring | No |
| Cage Material | Steel Cage |
| Precision Rating | ABEC 1 |
| Internal Clearance | C3 |
Bearing Code Meaning
- 306 = 30 mm bore within MRC cartridge series
- SZZ = Double sealed design (legacy MRC suffix usage)
- C = Cartridge type / extra-width construction
Key Features
✅ Cartridge Type Construction
Provides greater internal grease volume than standard-width bearings.
✅ Double Sealed Protection
Helps block dust, moisture, and contaminants while retaining lubricant.
✅ Smooth Continuous Operation
Suitable for motors and continuously rotating machinery.
✅ Good Load Capacity
Handles radial loads and moderate axial loads.
✅ Trusted Industrial Quality
MRC / SKF products are widely used in OEM and maintenance markets.
Typical Applications
- Electric motors
- Water pumps
- Industrial fans
- Conveyors
- Gear drives
- Factory machinery
- Maintenance replacement use
Equivalent / Similar Bearings
- Bore-size family near 6206 (dimensions differ)
- SKF 6206-2RS
- FAG 6206-2RS
- NSK 6206DDU
Important: This model width is 30.16 mm, much wider than standard 6206 bearings (16 mm). Exact replacement is recommended.
Technical Performance (Approx.)
| Item | Value |
|---|---|
| Dynamic Load Rating | 6650 lbf |
| Static Load Rating | 3730 lbf |
| Max Speed (Grease) | 9000 rpm |
| Max Speed (Oil) | 11000 rpm |
MRC(SKF) 306SZZC 30X72X30mm.
Data sheet
- Indent (I.D.) - m.m.
- 30
- Outdent (O.D.) - m.m.
- 72
- Thickness - m.m.
- 30.16
- Material
- BEARING STEEL
- Cover Material
- BEARING STEEL
- Brand
- MRC(SKF)-USA
- Item Condition
- New
Specific References
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The MRC (SKF) 306SZZC is a single-row deep groove ball bearing in cartridge type design, engineered for applications requiring greater internal grease capacity, continuous-duty performance, and long service life. It features double rubber seals to retain lubricant and protect against dust, moisture, and contamination.
This model is commonly used in electric motors, pumps, industrial fans, conveyors, and machinery where a wider bearing configuration is required.
MRC is a respected industrial bearing brand within the SKF group.