51209
Tier-one manufacturer — brand supplied may vary ✓ Bore checked against the ISO tableRegular price
$37.50 USD
Regular price
Sale price
$37.50 USD
Unit price
per
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Bore45 mm
1.7717 in
Outside dia.73 mm
2.874 in
Height20 mm
0.7874 in
TypeThrust ball bearing
SealingOpen
Ships from US partner stock — flat-rate shipping, calculated by weight at checkout
Image is for illustration purposes only.
What 51209 means
| Code | Position | Meaning |
|---|---|---|
5 |
Type | Thrust ball bearing |
1 |
Height series | Height series 1 |
2 |
Diameter series | Diameter series 2 (light) |
09 |
Bore | Bore code 09 × 5 = 45 mm |
Read from the ISO / ABMA numbering rules and the makers' published suffix conventions. Decode any other number with the bearing number decoder.
51209 specifications
| Specification | Metric | Inch | Basis |
|---|---|---|---|
| Bore (d) | 45 mm | 1.7717 in | ISO table for this designation, confirmed by supplier data |
| Outside diameter (D) | 73 mm | 2.874 in | Supplier catalogue listing |
| Height (H) | 20 mm | 0.7874 in | Supplier catalogue listing |
| Bearing type | Thrust ball bearing | Stated by the designation | |
| Seals / shields | Open (no seals or shields) | Stated by the designation | |
| Tolerance class | Normal (ISO P0 / ABEC 1): no tolerance-class code | Stated by the designation | |
51209 is a thrust ball bearing, 45 mm bore × 73 mm OD × 20 mm wide (1.7717 × 2.874 × 0.7874 in).
Measurement Type
Metric
Inner Diameter (ID)
45 mm
Outside Diameter (OD)
73 mm
Width
20 mm
Sealing
Open
Precision Class
ISO P0
Other Features
Single Direction | Thrust Ball Bearing | Metric Series
Component
Assembly
Weight (kg)
0.32
Basic Number
51209
UNSPSC
31171552
