S1210
Stainless Steel Self-Aligning Ball Bearings
The S1210 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 — S1210
Bearing Dimensions
| d (mm) | 50 |
|---|---|
| D (mm) | 90 |
| B (mm) | 20 |
| r min | 1.1 |
Design & Construction
| Serie | Stainless Steel Self-Aligning Ball Bearings |
|---|---|
| Material | AISI 440C stainless steel |
| Bearing type | Ball bearing |
| Weight (ZrO2) | 0.4 |
| Weight (Si3N4) | 0.22 |
| Weight (440C) | 0.53 |
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 S1210
The S1210 is a Self Aligning stainless steel bearing manufactured by ZGBK Bearings (Wuxi, China). It features a bore (inner diameter) of 50 mm, an outer diameter of 90 mm, a width of 20 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 S1210 as part of the Stainless Steel Self-Aligning 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.