51318
Tier-one manufacturer — brand supplied may vary ✓ Bore checked against the ISO tableRegular price
$333.33 USD
Regular price
Sale price
$333.33 USD
Unit price
per
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Bore90 mm
3.5433 in
Outside dia.155 mm
6.1024 in
Height50 mm
1.9685 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 51318 means
| Code | Position | Meaning |
|---|---|---|
5 |
Type | Thrust ball bearing |
1 |
Height series | Height series 1 |
3 |
Diameter series | Diameter series 3 (medium) |
18 |
Bore | Bore code 18 × 5 = 90 mm |
Read from the ISO / ABMA numbering rules and the makers' published suffix conventions. Decode any other number with the bearing number decoder.
51318 specifications
| Specification | Metric | Inch | Basis |
|---|---|---|---|
| Bore (d) | 90 mm | 3.5433 in | ISO table for this designation, confirmed by supplier data |
| Outside diameter (D) | 155 mm | 6.1024 in | Supplier catalogue listing |
| Height (H) | 50 mm | 1.9685 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 | |
51318 is a thrust ball bearing, 90 mm bore × 155 mm OD × 50 mm wide (3.5433 × 6.1024 × 1.9685 in).
The 51318 is a thrust ball bearing from the 513 series with a 90 mm bore diameter. Thrust ball bearings are designed to accommodate axial loads in a single direction and provide precise axial guidance for rotating assemblies.
Measurement Type
Metric
Inner Diameter (ID)
90 mm
Outside Diameter (OD)
155 mm
Width
50 mm
Sealing
Open
Precision Class
ISO P0
Series
513
Bearing Type
Thrust ball bearing
Other Features
Single Direction | Thrust Ball Bearing | Metric Series
Component
Assembly
Weight (kg)
3.88
Basic Number
51318
UNSPSC
31171552
