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BALL BEARING MRC (SKF) 103KSZZG
The MRC (SKF) 103KSZZG is a single-row deep groove ball bearing in a compact size, designed for high-speed rotation, smooth performance, and dependable service life. It features double closures and a snap ring groove, making it suitable for secure housing installation and low-maintenance operation.
This bearing is commonly used in small electric motors, fans, rollers, power tools, light machinery, and general industrial equipment.
MRC is a respected industrial bearing brand within the SKF group.
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Product Details
| Item | Specification |
|---|---|
| Model | 103KSZZG |
| Brand | MRC / SKF |
| Bearing Type | Deep Groove Ball Bearing |
| Bore Diameter (ID) | 17 mm |
| Outside Diameter (OD) | 35 mm |
| Width | 10 mm |
| Rows | Single Row |
| Closure Type | Double closures (legacy suffix ZZG) |
| Snap Ring | Yes |
| Internal Clearance | C3 |
| Cage Material | Steel Cage |
| Precision Rating | ABEC 1 |
Based on distributor references, this model aligns closely with the 6003 size family with snap ring configuration.
Bearing Code Meaning
- 103 = Compact size designation within MRC series
- KS = MRC special / KS series designation
- ZZ = Double closures (commonly shielded style in legacy codes)
- G = Snap ring groove / retaining ring style
Exact suffix usage may vary by production era. Always confirm physical bearing markings.
Key Features
✅ Compact High-Speed Design
Ideal for small motors and fast rotating equipment.
✅ Double Closure Protection
Helps retain lubricant and reduce contamination.
✅ Snap Ring Mounting
Allows easier axial positioning in housings.
✅ Smooth & Quiet Operation
Suitable for low-noise mechanical systems.
✅ Trusted Industrial Quality
MRC / SKF bearings are respected in OEM and maintenance markets.
Typical Applications
- Small electric motors
- Fans / blowers
- Rollers
- Power tools
- Light machinery
- Small conveyors
- General maintenance use
Equivalent / Similar Bearings
- SKF 6003-2RSNR / 6003-2ZNR
- NSK 6003DDU NR
- NTN 6003LLU NR
- FAG 6003-2RSR-NR
Always verify closure type, snap ring, and clearance before interchange.
MRC (SKF) 103KSZZG
Data sheet
- Indent (I.D.) - m.m.
- 17
- Thickness - m.m.
- 10
35 - Material
- BEARING STEEL
- Cover Material
- BEARING STEEL
- Brand
- MRC(SKF)-USA
- Item Condition
- New-OLD STOCK / NOBOX
Specific References
New
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The MRC (SKF) 103KSZZG is a single-row deep groove ball bearing in a compact size, designed for high-speed rotation, smooth performance, and dependable service life. It features double closures and a snap ring groove, making it suitable for secure housing installation and low-maintenance operation.
This bearing is commonly used in small electric motors, fans, rollers, power tools, light machinery, and general industrial equipment.
MRC is a respected industrial bearing brand within the SKF group.