20TAC47XBNSKPrecision / Angular Contact
20TAC47XB is a NSK precision / angular contact bearing, bore 20 mm, O.D. 47 mm, width 15.88 mm. Dimensions, drawing, interchanges and price.
Original catalogue drawing - NSK catalogue, page 223
Scanned from the manufacturer catalogue page listing this part number. All part numbers printed on that table share the same drawing.
Scale cross-section
Blue = inner / outer ring, yellow = rolling element. Drawn to scale from this part's own dimensions for selection reference only - not a manufacturing or assembly drawing.
Dimension table (mm / inch)
| Symbol | Dimension | mm | inch |
|---|---|---|---|
| d | Bore diameter | 20 | 0.7874 |
| D | Outside diameter | 47 | 1.8504 |
| B | Inner-ring / bearing width | 15.875 | 0.625 |
Notes
Weights are given in kg. Load ratings are shown in both the original catalogue units and the converted value (1 N = 0.2248 lbf). Data is provided for selection reference only - confirm against the latest official catalogue before ordering.
Main dimensions
| Bore d (mm) | 20.000 |
|---|---|
| Bore d (in) | 0.7874 |
| Outside dia. D (mm) | 47.0 |
| Outside dia. D (in) | 1.8504 |
| Width B (mm) | 15.875 |
| Width B (in) | 0.6250 |
Source & traceability
| Brand | NSK |
|---|---|
| Source catalogue | NSK inch product catalogue |
| Catalogue page | p.227 (dimensions) / p.227 (ratings) |
Dimensions in inches and millimetres, load ratings in lbs.
Series variants (different suffix)
| Designation | Brand | Type | d | D | B/T | Dyn. rating | kg |
|---|---|---|---|---|---|---|---|
| 20TAC47B | NSK | Precision / Angular Contact | 20 | 47 | 15 | - | - |
Nearby bore sizes
| Designation | Brand | Type | d | D | B/T | Dyn. rating | kg |
|---|---|---|---|---|---|---|---|
| 20BGR10H | NSK | Precision / Angular Contact | 20 | 42 | 12 | 1,690 lbs | 0.068 |
| 20BGR10S | NSK | Precision / Angular Contact | 20 | 42 | 12 | 1,690 lbs | 0.068 |
| 5204 | NSK | Precision / Angular Contact | 20 | 47 | 20.6 | 21.6 kN | 0.16 |
| 5204AZZ | NSK | Precision / Angular Contact | 20 | 47 | 20.6 | 17.5 kN | 0.16 |
| 5304 | NSK | Precision / Angular Contact | 20 | 52 | 22.2 | 27.1 kN | 0.22 |
| 5304AZZ | NSK | Precision / Angular Contact | 20 | 52 | 22.2 | 21.6 kN | 0.22 |
| 7004 | NSK | Precision / Angular Contact | 20 | 42 | 12 | 11.9 kN | 0.068 |
| 7004A5 | NSK | Precision / Angular Contact | 20 | 42 | 12 | 2,380 lbs | 0.068 |
Request a quotation for 20TAC47XB
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