SMF84
Stainless Steel Flanged Ball Bearings
The SMF84 designation defines the size and shape of this ball bearing. Materials, clearances and tolerances can be tailored to your application during quotation — the specifications below are the standard configuration.
Specifications — SMF84
Bearing Dimensions
| d (mm) | 4 |
|---|---|
| D (mm) | 8 |
| B (mm) | 2 |
Load Ratings
| Cr (lbs) | 88 |
|---|---|
| Cor (lbs) | 33 |
| Cr(kN) | 0.39 |
Design & Construction
| Serie | Stainless Steel Flanged Ball Bearings |
|---|---|
| Material | AISI 440C stainless steel |
| Bearing type | Ball bearing |
Further Specifications
| Df (mm) | 9.2 |
|---|---|
| B1 (mm) | 3 |
| C1 (mm) | 0.6 |
| C2 (mm) | 0.6 |
Lubrication & Operating Temperature
- Open version: oil lubrication recommended for maximum speed.
- Sealed version (2RS): maintenance-free grease lubrication.
- Standard greases typically limit continuous operation to about 120 °C; the AISI 440C stainless rings and cage permit up to 150 °C.
- Food-grade (H1) or high-temperature lubrication available on request — contact us.
Typical Applications
Every batch is inspected for dimensional tolerance, noise and vibration levels before shipment.
About the SMF84
The SMF84 is a Flange Series stainless steel bearing manufactured by ZGBK Bearings (Wuxi, China). It features a bore (inner diameter) of 4 mm, an outer diameter of 8 mm, a width of 2 mm. Built from corrosion-resistant AISI 440C stainless steel, it is suited to food processing, medical, marine and chemical equipment where reliability in harsh environments matters. Full specifications are listed below.
ZGBK manufactures the SMF84 as part of the Stainless Steel Flanged Ball Bearings, using AISI 440C stainless steel for superior corrosion resistance in wet, chemical and food-grade environments. Every batch is inspected for dimensional tolerance, noise and vibration levels before shipment. As a direct factory in Wuxi, China, we support small-batch orders, custom dimensions and fast samples for qualified buyers.