45TAC100BNSKPrecision / Angular Contact
45TAC100B is a NSK precision / angular contact bearing, bore 45 mm, O.D. 100 mm, width 20 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 | 45 | 1.7717 |
| D | Outside diameter | 100 | 3.937 |
| B | Inner-ring / bearing width | 20 | 0.7874 |
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) | 45 |
|---|---|
| Bore d (in) | 1.7717 |
| Outside dia. D (mm) | 100 |
| Outside dia. D (in) | 3.9370 |
| Width B (mm) | 20 |
| Width B (in) | 0.7874 |
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 |
|---|---|---|---|---|---|---|---|
| 45TAC75B | NSK | Precision / Angular Contact | 45 | 75 | 15 | - | - |
Nearby bore sizes
| Designation | Brand | Type | d | D | B/T | Dyn. rating | kg |
|---|---|---|---|---|---|---|---|
| 45BNC10 | NSK | Precision / Angular Contact | 45 | 75 | 16 | 3,480 lbs | 0.254 |
| 45BNC10SN24 | NSK | Precision / Angular Contact | 45 | 75 | 16 | 3,480 lbs | 0.254 |
| 45BNR10H | NSK | Precision / Angular Contact | 45 | 75 | 16 | 2,630 lbs | 0.259 |
| 45BNR10S | NSK | Precision / Angular Contact | 45 | 75 | 16 | 2,630 lbs | 0.259 |
| 5000 | NSK | Precision / Angular Contact | 45 | 100 | 25 | 65.5 kN | 0.823 |
| 5209 | NSK | Precision / Angular Contact | 45 | 85 | 30.2 | 54.5 kN | 0.67 |
| 5309 | NSK | Precision / Angular Contact | 45 | 100 | 39.7 | 75.5 kN | 1.37 |
| 7009 | NSK | Precision / Angular Contact | 45 | 75 | 16 | 25.4 kN | 0.25 |
Request a quotation for 45TAC100B
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