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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.
Availability:
6 in stock
Timken 385A-90313 TDO two-row tapered roller bearing assembly, 2 in bore, 3-15/16 in cup OD, two 385-A cones and one 384-ED double cup. Made in USA.
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$305.20
6 in stock
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| MFR / Brand | Timken |
|---|---|
| MPN | 385A-90313 |
| Model | 385-A / 384-ED |
| Bearing Type | Tapered Roller Bearing Assembly, TDO Two Row |
| ID | 2.0000 in |
| OD | 3.9375 in (3-15/16 in) cup outside diameter |
| Width | 0.8640 in inner ring width per cone |
| Series | 385 / 384 |
|---|---|
| Base Number | 385A-90313 |
| Industry Terms | TDO bearing; tapered double outer; two-row tapered roller bearing; double cup assembly; inch taper roller bearing set; Timken 90-series assembly |
| Common Misspellings | 385A 90313; 385-A-90313; 385A9O313; Timken 385A90313; 384-ED cup; 384 ED |
| Bore Shaft Size | 2.0000 in (50.8 mm) |
| Mpn Variants | 385A-90313; 385A90313; 385A 90313; 385-A/384-ED; 385A/384ED; 385A-384ED; 385A 384ED |
| Material | Case-hardened steel |
| Rolling Elements | Tapered roller |
| Number Of Rows | 2 |
| Harmonization Code | 8482.20 |
| Cup Part Number | 384ED (double cup, one supplied) |
| Part Number | 385A-90313 |
| Cone Part Number | 385A (two supplied) |
The Timken 385A-90313 is a complete two-row tapered roller bearing assembly in the TDO (tapered double outer) configuration. It is supplied as three pieces: two 385-A cones and one 384-ED double cup. Unit Quantity: 1 assembly, 3 Pcs. New open box, made in USA.
385A — Timken cone: the inner ring with its rollers and cage.
384ED — Timken double cup: one outer ring with two raceways, taking two cones.
-90313 — Timken assembly suffix. A -90xxx number denotes a complete assembly.
TDO — tapered double outer: both rows run in one outer ring.
Bore Diameter: 2.0000 in (50.8 mm). Cup Outside Diameter: 3.9375 in (3-15/16 in). Inner Ring Width: 0.8640 in (21.946 mm) per cone. Number Of Rows: 2. Rolling Elements: Tapered roller. Material: Case-hardened steel. K Factor: 1.65. Cone Weight: 5.95 lb. Ratings are Timken per-row (single 385A cone) values: Dynamic Load Rating C1: 24,200 lbf (108,000 N). Static Load Rating C0: 24,100 lbf (107,000 N). C90: 6,280 lbf (28,000 N). Ca90: 3,810 lbf (16,900 N).
Maximum shaft fillet radius: 0.09 in. Shaft backing shoulder diameter: 2.36 in against the cone frontface and 2.4 in against the cone backface. Effective center of each row: 0.12 in inside the cone backface.
The 385A cone also runs in the 382A and 382 single cups and in the 384DC double cup. Assemblies built on the 384DC double cup carry their own assembly numbers.
Two 385-A cones and one 384-ED double cup, supplied as a complete TDO assembly.
Bore Diameter is 2.0000 in (50.8 mm) and Cup Outside Diameter is 3.9375 in (3-15/16 in).
It is Timken’s assembly suffix. A -90xxx number denotes a complete assembly rather than a loose cone or cup.
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Belt drives may appear simple, consisting of two wheels and a belt for power transfer.
Tapered, cylindrical, and spherical roller bearings all solve the same basic problem, carrying more load
If you pulled a bearing off general industrial equipment at random, there’s a good chance
Our team can locate, cross-reference, and source all parts.
Our team can locate, cross-reference, and source all parts.
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