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Tapered roller bearing cone, 1.1875 in bore x 0.8820 in wide, Class 3 precision, 79,500 N dynamic rating. Timken 334-3 single cone, 335 series.
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| MFR / Brand | Timken |
|---|---|
| MPN | 334-3 |
| Model | 334 #3 |
| Bearing Type | Tapered Roller Bearing Cone |
| ID | 1.1875 in (30.163 mm) |
| Series | 335 |
|---|---|
| Mpn Variants | 334-3, 334, 334 *3, 334 #3, 3343 |
| Precision Class | Class 3 |
| Additional Attributes | C90: 20,600 N; Ca90: 9,640 N; K 2.14; G1 26.5; G2 13; db 39 mm |
| Dynamic Load Rating | 79,500 N |
| Static Load Rating | 83,400 N |
| Precision Rating | Class 3 |
| Rolling Elements | Tapered Roller |
| Harmonization Code | 8482.2 |
| Bearing Class | Class 3 |
| Cone Part Number | 334 |
| Cone Width | 0.8820 in (22.403 mm) |
| Cone Backface To Clear Radius | 0.030 in (0.8 mm) |
| Cone Frontface Backing Diameter | 1.5 in (38 mm) |
| Cage Cone Frontface Clearance | 0.07 in (1.8 mm) |
| Cage Cone Backface Clearance | 0 in |
| Effective Center Location | -0.25 in (-6.4 mm) |
| Cross Reference 1 | Koyo 334 |
|---|---|
| Cross Reference 2 | NTN 4T-334 |
Timken 334-3 is a Class 3 single cone (inner ring, tapered rollers and cage) for a single-row tapered roller bearing, 335 series. Bore Diameter: 1.1875 in (30.163 mm). Cone Width: 0.8820 in (22.403 mm). Rolling Elements: Tapered Roller.
334 — Timken single cone, 1.1875 in bore, 335 series.
-3 / *3 — Timken Class 3 precision: tighter tolerance and lower runout than standard Class 2.
Dynamic Load Rating (C1): 79,500 N (17,900 lbf), ISO 1 million revolutions. Dynamic Radial Load Rating (C90): 20,600 N (4,640 lbf). Dynamic Axial Rating (Ca90): 9,640 N (2,170 lbf). Static Load Rating: 83,400 N (18,700 lbf). K Factor: 2.14. G1 Factor: 26.5. G2 Factor: 13. Precision Class: Class 3.
Effective Load Center: -0.25 in (-6.4 mm), inside the cone backface. Max Shaft Fillet Radius: 0.030 in (0.8 mm). Shaft Backing Shoulder Diameter: 1.5 in (38 mm) frontface, 1.54 in (39 mm) backface. Cage Location relative to backface (Aa): 0 in. Cage Location relative to frontface (Ab): 0.07 in (1.8 mm).
Unit Quantity: 1 Pc. Cone only.
334 is an ABMA inch cone number also built as Koyo 334 and NTN 4T-334, matching the bore and width. The Class 3 grade is specific to this Timken cone.
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