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Timing Belt Pulleys and V-Belt Sheaves: Matching Belt Drive Components Correctly
Belt drives may appear simple, consisting of two wheels and a belt for power transfer.
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16 in stock
Timken 497-90204 two-row TDO tapered roller bearing assembly, 3.3750 in bore, 5.3750 in OD, 2.7500 in wide, Class 3. Four pieces: two cones, double cup, spacer.
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16 in stock
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| MFR / Brand | Timken |
|---|---|
| MPN | 497-90204 |
| GTIN | 0053893330747 |
| Model | 497 *3/ 493-D *3/ X3S-497 Class 3 #3 *3 |
| Bearing Type | Tapered Roller Bearing Assembly - TDO, Two Row |
| ID | 3.3750 in (3-3/8 in) |
| OD | 5.3750 in (5-3/8 in) |
| Width | 2.7500 in (2-3/4 in) |
| Series | 495 / 493 |
|---|---|
| Base Number | 497-90204 |
| Industry Terms | TDO bearing; tapered double outer; two-row tapered roller bearing; double cup assembly; cone spacer; inch taper roller bearing set; Timken 90-series assembly; Class 3 taper bearing |
| Common Misspellings | 497 90204; 497-9024; 49790204 Timken; 493-D cup; X3S497; 497/493-D |
| Bore Shaft Size | 3.3750 in (3-3/8 in, 85.725 mm) |
| Mpn Variants | 497-90204; 49790204; 497 90204; 497/493D/X3S-497; 497-493D; 497/493D; X3S-497; 493D; 497*3; 497#3 |
| Precision Class | Class 3 |
| Additional Attributes | Timken: C90 40,000 N (9,000 lbf); C90 two-row 69,700 N; Ca90 30,500 N; e 0.44; K 1.31; Y1 1.52; Y2 2.26; Cg 0.125; outer ring width 53.975 mm; max shaft fillet 3.6 mm; max housing fillet 0.8 mm; shaft shoulder db 101 mm; housing shoulder Da 130.05 mm |
| Rolling Elements | Tapered Roller |
| Number Of Rows | 2 |
| Harmonization Code | 8482.20 |
| Cup Part Number | 493D (double cup, one supplied) |
| Part Number | 497-90204 |
| Cone Part Number | 497 (two supplied) |
| Dynamic Load Rating | 269,000 N |
| Static Load Rating | 216,000 N |
| Item Weight | 3.343 kg (7.37 lb) |
| Application Types | Industrial gearboxes; pump shafts; machine spindles; heavy machinery shafts |
| Cross Reference 1 | 497/493 - single-row cone and cup, no 2nd row or spacer |
|---|
Timken 497-90204 complete two-row tapered roller bearing assembly, TDO (tapered double outer). Unit Quantity: 4 Pcs — two 497 cones, one 493-D double cup that both cones run in, and one X3S-497 cone spacer. Bore Diameter: 3.3750 in (85.725 mm). Outside Diameter: 5.3750 in (136.525 mm). Overall Width: 2.7500 in (69.850 mm). Number Of Rows: 2. Rolling Elements: Tapered Roller. Precision Class: Class 3.
497 — the cone: inner ring complete with its rollers and cage.
493D — the cup, with D marking a double cup: one outer ring with two raceways, taking two cones.
X3S-497 — cone spacer, the ground ring between the two cone backfaces that fixes the row spacing.
-90204 — Timken complete-assembly number, a factory-matched assembly.
*3 and #3 — Class 3 precision markings stamped on the components.
Dynamic Radial Load Rating (C1, 1M revs): 269,000 N. Static Radial Load Rating (C0): 216,000 N. Dynamic Radial Load Rating, two-row (C90): 69,700 N. Dynamic Axial Rating (Ca90): 30,500 N. e Factor: 0.44. K Factor: 1.31. Y1 Factor: 1.52. Y2 Factor: 2.26. Geometry Factor (Cg): 0.125. Item Weight: 3.343 kg (7.37 lb). GTIN: 0053893330747.
Outer Ring Width: 2.1250 in (53.975 mm). Max Shaft Fillet Radius: 0.140 in (3.6 mm). Max Housing Fillet Radius: 0.03 in (0.8 mm). Shaft Backing Shoulder Diameter: 3.98 in (101 mm). Housing Backing Shoulder Diameter: 5.16 in (130.05 mm). Both rows run in the single 493-D double cup.
Cross-Reference 1: 497/493 — single-row cone and cup pair, without the second row, spacer or matched setting. The 497 cone also runs against the 493 single cup. Class 3 and standard-tolerance versions of the same numbers are separate grades. MPN Variants: 497-90204, 49790204, 497 90204, 497/493D/X3S-497. CAD model and data sheet: available from Timken.
Bore 3.3750 in (85.725 mm), outside diameter 5.3750 in (136.525 mm), width 2.75 in (69.85 mm).
Timken publishes a dynamic radial rating (C1, 1M revs) of 269,000 N and a static radial rating (C0) of 216,000 N.
Four pieces: two 497 cones, one 493-D double cup and one X3S-497 cone spacer.
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Our team can locate, cross-reference, and source all parts.
Our team can locate, cross-reference, and source all parts.
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