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Timken 13176D-3/13318-3 Class 3 double-cone tapered roller bearing set, 1-3/4 in bore x 3-3/16 in OD, 88,500 N two-row C1. TDI cone with 13318-3 cups.
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| MFR / Brand | Timken |
|---|---|
| MPN | 13176D-3/13318-3 |
| Model | 13176-D *3 13318 *3 |
| Bearing Type | Tapered Roller Bearing Cone |
| ID | 1.7500 in (44.450 mm) |
| OD | 3.1875 in (80.963 mm) |
| Width | 2.125 in |
| Material | Case Carburized Steel |
|---|---|
| Series | 13000 |
| Industry Terms | TDI tapered roller bearing, double cone and cup, Class 3 precision taper bearing, inch taper bearing |
| Mpn Variants | 13176D-3/13318-3, 13176D-3-13318-3, 13176-D *3 13318 *3, 13176D#3/13318#3, 13176D3/133183 |
| Precision Class | Class 3 |
| K Factor | 1.11 |
| Dynamic Load Rating | 88,500 N (C1, two-row); 50,800 N (C1, per row) |
| Static Load Rating | 61,100 N (C0, per row) |
| Rolling Elements | Tapered Roller |
| Number Of Rows | 2 |
| Bore Type | Straight |
| Harmonization Code | 8482.20.00 |
| Cup Part Number | 13318-3 |
| Design Units | Imperial |
| Cup Width | 0.5625 in (14.288 mm) |
| Cup Backface To Clear Radius | 0.06 in (1.52 mm) |
| Cone Part Number | 13176D-3 |
| Cone Width | 1.2500 in (31.750 mm) |
| Cup Frontface Backing Diameter | 3.03 in (76.96 mm) |
Timken 13176D-3/13318-3 is a Class 3 precision inch tapered roller bearing set from the Timken 13000 series: a 13176D-3 double cone with the 13318-3 single cup. The double cone carries two rows of tapered rollers and runs in two 13318-3 cups in a TDI (tapered double inner) arrangement. Bore Diameter: 1.7500 in (44.450 mm). Outside Diameter: 3.1875 in (80.963 mm). Precision Class: Class 3. Made in USA.
13176D — Timken double cone, 1-3/4 in bore. The D on a cone marks a one-piece double cone that takes two single cups.
13318 — Timken single cup, 3-3/16 in outside diameter, 9/16 in wide.
-3 — Timken Class 3 precision: tighter dimensional and running tolerance than standard Class 2 or Class 4 parts, for lower runout and running vibration.
Dynamic Load Rating (C1, two-row): 88,500 N (19,900 lbf). Dynamic Load Rating (C1, per row): 50,800 N (11,400 lbf). Dynamic Load Rating (C90, two-row): 22,900 N (5,160 lbf). Dynamic Load Rating (C90, per row): 13,200 N (2,960 lbf). Static Load Rating (C0, per row): 61,100 N (13,700 lbf). Dynamic Thrust Rating (Ca90): 11,900 N (2,680 lbf). The two-row double cone takes combined radial and thrust load in both axial directions from a single shaft seat.
Cone Width: 1.2500 in (31.750 mm). Cup Width: 0.5625 in (14.288 mm). Series: 13000. Rolling Elements: Tapered Roller. Number Of Rows: 2. Closure Type: Open.
Shaft Backing Shoulder Diameter (da): 1.97 in (50 mm). Cage Location Relative to Frontface (Ab): 0.11 in (2.8 mm). Cup Backface To-Clear Radius: 0.06 in (1.52 mm). Cup Frontface Backing Diameter: 3.03 in (76.96 mm). Cup Backface Backing Diameter: 2.83 in (71.88 mm). K Factor: 1.11. ISO e Factor: 0.53. ISO Y Factor: 1.14. Geometry Factor (Cg): 0.0799.
The standard-precision version of this set is 13176D/13318. The 13318 cup is the common cup of the Timken 13000 series and also mates with the 13175 and 13181 single cones and the 13169D double cone.
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