T451TimkenThrust
T451 is a Timken thrust bearing, bore 114.3 mm, O.D. 250.82 mm, height 53.98 mm, weight 14.2 kg. Dimensions, drawing, interchanges and price.
Original catalogue drawing - Timken TRB Catalog, page 739
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 | 114.3 | 4.5 |
| D | Outside diameter | 250.825 | 9.875 |
| T | Overall assembly width | 53.975 | 2.125 |
Notes
Thrust bearing ratings are axial values Ca / Coa; T is the overall height. 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) | 114.300 |
|---|---|
| Outside dia. D (mm) | 250.825 |
| Overall width T (mm) | 53.975 |
Load ratings & speeds
| Basic static load rating C0r (N) | 4380000 |
|---|---|
| Thrust rating Ca90 (N) | 352000 |
| Static rating C0 (N) | 4380000 |
Weight
| Weight (kg) | 14.2 |
|---|
Source & traceability
| Brand | Timken |
|---|---|
| Source catalogue | Timken Tapered Roller Bearing Catalog (2016) |
| Catalogue page | p.739 (dimensions) |
| Series type | TTHD |
ISO dynamic rating C1, Timken C90 / Ca90, static rating C0, geometry factors and assembly weight.
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