Seal4Go.Com One Stop Sealing Solution
Seal4Go.Com One Stop Sealing Solution
BALL BEARING MRC(SKF) 61903SFF ชนิดพิเศษ
The MRC (SKF) 61903SFF is a single-row deep groove ball bearing in the slim-profile 619 Series (thin section), engineered for applications requiring compact dimensions, light weight, limited installation space, and high-speed rotation. It features double metal shields to retain grease and help prevent dust contamination.
This bearing is commonly used in small electric motors, fans, power tools, rollers, precision equipment, and high-speed machinery.
MRC is a respected industrial bearing brand within the SKF group.
Security policy
Delivery policy
Return policy
Product Details
| Item | Specification |
|---|---|
| Model | 61903SFF |
| Brand | MRC / SKF |
| Bearing Type | Deep Groove Ball Bearing |
| Series | 619 Series (Thin Section) |
| Bore Diameter (ID) | 17 mm |
| Outside Diameter (OD) | 30 mm |
| Width | 7 mm |
| Rows | Single Row |
| Closure Type | Double Metal Shields |
| Design | Thin Section Bearing |
| Cage Material | Steel Cage |
Standard dimensions are 17 x 30 x 7 mm.
Bearing Code Meaning
- 61903 = Thin-section bearing with 17 mm bore
- SFF = Double metal shields (legacy MRC suffix)
Key Features
✅ Slim Compact Design
Ideal for installations with limited space.
✅ Double Shielded Protection
Helps retain lubricant and reduce contamination.
✅ Smooth High-Speed Operation
Suitable for motors and fast rotating systems.
✅ Lightweight Construction
Reduces rotating mass and shaft load.
✅ Trusted Industrial Quality
MRC / SKF bearings are known for reliable performance.
Typical Applications
- Small electric motors
- Fans / blowers
- Power tools
- Rollers
- Precision machinery
- Compact conveyors
- General maintenance replacement use
Equivalent / Similar Bearings
- SKF 61903-2Z
- FAG 61903-2Z
- NSK 6903ZZ
- NTN 6903ZZ
Always verify clearance and shield type before replacement.
MRC(SKF) 61903SFF 17X30X7mm.
Data sheet
- Indent (I.D.) - m.m.
- 17
- Outdent (O.D.) - m.m.
- 30
- Thickness - m.m.
- 7
- Material
- BEARING STEEL
- Cover Material
- BEARING STEEL
- Brand
- MRC(SKF)-USA
- Item Condition
- New
Specific References
New
No customer reviews for the moment.
The MRC (SKF) 61903SFF is a single-row deep groove ball bearing in the slim-profile 619 Series (thin section), engineered for applications requiring compact dimensions, light weight, limited installation space, and high-speed rotation. It features double metal shields to retain grease and help prevent dust contamination.
This bearing is commonly used in small electric motors, fans, power tools, rollers, precision equipment, and high-speed machinery.
MRC is a respected industrial bearing brand within the SKF group.