51216
Double direction thrust ball bearings for axial loads in both directions. Used where bidirectional axial loads must be supported.
Geometry100%
80 × 121 × 32mm
Sealing100%
Open (no seal)
Load rating100%
Cr 36.6 kN / C₀r 91.8 kN
Speed100%
1,870 rpm (grease)
FAG5121680 × 121 × 32mm
In stock
$121.30
Partmatch price
- Ships from EU warehouse
- Ships within 2–3 business days
- Order 5+ for 5% off · 10+ for 10% off
Secure checkout
Verified supplier
30-day returns
VisaMastercardAmex
Match Details
The specifications and details for why this match is correct.
Specifications
| Bore diameter (d) | 80 mm |
| Outer diameter (D) | 121 mm |
| Width (B) | 32 mm |
| Dynamic load rating (C) | 36.6 kN |
| Static load rating (C₀) | 91.8 kN |
| Weight | 756 g |
| Max speed (grease) | 1,870 rpm |
| Max speed (oil) | 2,550 rpm |
Get a PDF spec sheet
Save, print, or forward to procurement. We'll email it to you and download immediately.
Why This Match Is Correct
✓Exact dimensional match (bore, OD, width)
✓Load ratings within tolerance
✓Seal type verified via manufacturer tables
✓Speed rating compatible
Cross-References
Every way this part is identified across brands and catalogs.
Tier-1 Brand Equivalents
| Brand | Part Number | Seal | Clearance | Status |
|---|---|---|---|---|
| SKF | 51216 | Open | CN | Current |
| FAG | 51216 | Open | CN | Current |
| NSK | 51216 | Open | CN | Current |
| NTN | 51216 | Open | CN | Current |
| Timken | 51216 | Open | CN | Current |
Technical Details & Applications
Specification variations and common equipment types.
Internal Clearance
Normal Clearance (CN)
Standard radial internal clearance. Suitable for most applications under normal operating conditions.
TemperatureUp to ~70°C operating temperature
Seal Type
Open (No Seal)
No seals or shields. Allows external lubrication and cooling. Lowest friction, highest speed capability.
Avoid forDirty, dusty, or wet environments. Applications without planned lubrication maintenance.
Examples
- Machine tool spindles
- Gearboxes with oil bath lubrication
- High-speed precision equipment
Where This Bearing Is Used
Electric motorsPumps and compressorsConveyor rollersAgricultural machineryFans and blowersGearboxesPower transmission equipmentWashing machinesPrinting pressesHVACAutomotive alternators and A/C compressors
Alternative Parts
Options if this exact part isn't what you need.
Related Bearings
Adjacent sizes and cross-series bearings from our catalog.