51408
Tier-one manufacturer — brand supplied may vary ✓ Bore checked against the ISO tableRegular price
$91.46 USD
Regular price
Sale price
$91.46 USD
Unit price
per
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Bore40 mm
1.5748 in
Outside dia.90 mm
3.5433 in
Height36 mm
1.4173 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 51408 means
| Code | Position | Meaning |
|---|---|---|
5 |
Type | Thrust ball bearing |
1 |
Height series | Height series 1 |
4 |
Diameter series | Diameter series 4 (heavy) |
08 |
Bore | Bore code 08 × 5 = 40 mm |
Read from the ISO / ABMA numbering rules and the makers' published suffix conventions. Decode any other number with the bearing number decoder.
51408 specifications
| Specification | Metric | Inch | Basis |
|---|---|---|---|
| Bore (d) | 40 mm | 1.5748 in | ISO table for this designation, confirmed by supplier data |
| Outside diameter (D) | 90 mm | 3.5433 in | Supplier catalogue listing |
| Height (H) | 36 mm | 1.4173 in | Supplier catalogue listing |
| Bearing type | Thrust ball bearing | Stated by the designation | |
| Seals / shields | Open (no seals or shields) | Stated by the designation | |
| Cage | Steel | Supplier catalogue listing | |
| Tolerance class | Normal (ISO P0 / ABEC 1): no tolerance-class code | Stated by the designation | |
| Material | Steel | Supplier catalogue listing | |
| Dynamic load rating, C | 112.1 kN | 25,201 lbf |
|---|---|---|
| Static load rating, C0 | 204.62 kN | 46,000 lbf |
| Limiting speed, grease | 1,700 rpm | |
| Limiting speed, oil | 2,500 rpm | |
51408 is a thrust ball bearing, 40 mm bore × 90 mm OD × 36 mm wide (1.5748 × 3.5433 × 1.4173 in). NTN catalogue values for 51408: dynamic load rating C = 112.1 kN, static C0 = 204.62 kN, limiting speed 1,700 rpm on grease, 2,500 rpm on oil.
The 51408 is a thrust ball bearing from the 514 series, designed with a 40 mm bore diameter to support axial loads in a single direction. Thrust ball bearings use ball rolling elements between grooved raceways to accommodate high-speed operation under purely axial loading conditions.
Measurement Type
Metric
Inner Diameter (ID)
40 mm
Outside Diameter (OD)
90 mm
Width
36 mm
Sealing
Open
Precision Class
ISO P0
Arrangement
One
Ball Material
Steel
Cage
Steel
Series
514
Bearing Type
Thrust ball bearing
Other Features
Single Direction | Thrust Ball Bearing | Metric Series
Component
Assembly
Weight (kg)
1.14
Basic Number
51408
UNSPSC
31171552
