51108 Thrust Bearing (Thrust Ball Bearing), ISO 104
The 51108 thrust bearing (ISO 104) has a 40 mm bore, a 60 mm outside diameter and a height of 13 mm. Get it as simplified STEP files.

How these parts are made, and what the levels mean: read the method
- Also searched as: 51108 bearing
- Model id:
iso104-51108
- Standard: ISO 104 · size 51108
Files
| Part key | Simplified |
|---|
iso104-51108 | STEP |
Dimensions

| Symbol | Name | min | nom | max | Modeled | Rule | Level |
|---|
| d | Shaft washer bore diameter | | 40 | | 40 | nominal | L1 |
| D | Housing washer outside diameter | | 60 | | 60 | nominal | L1 |
| T | Height | | 13 | | 13 | nominal | L1 |
| r | Chamfer dimension | 0.6 | | | 0.6 | single limit (min), modeled at the limit | L1 |
| d1 | Shaft washer outside diameter | | 60 ref | | 60 | reference value | L1 |
| D1 | Housing washer bore diameter | | 42 ref | | 42 | reference value | L1 |
Drawing

As a PDF: CC-ISO104-SZ-51108.pdf.
The 51108 thrust bearing beside the 51107
The 51108 is the last of the 9 ISO 104 thrust bearings published here, listed from 51100 to 51108.
- Shaft washer bore diameter (d): 40 mm on the 51108 thrust bearing, against 35 mm on the 51107.
- Housing washer outside diameter (D): 60 mm on the 51108 thrust bearing, against 52 mm on the 51107.
- Height (T): 13 mm on the 51108 thrust bearing, against 12 mm on the 51107.
- Chamfer dimension (r): at least 0.6 mm on the 51108 thrust bearing, the same on the 51107.
- Shaft washer outside diameter (d1): 60 mm (reference) on the 51108 thrust bearing, against 52 mm (reference) on the 51107.
- Housing washer bore diameter (D1): 42 mm (reference) on the 51108 thrust bearing, against 37 mm (reference) on the 51107.
Other sizes
Documents
Sources
nsk-thrust, ntn-bearingfinder-thrust, skf-17000-thrust. Full citations: the method page and this size's datasheet.
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