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Timken 55206-3 tapered roller bearing cone, 2.0625 in (52.388 mm) bore, 1.0594 in width, Class 3 precision. 126,000 N dynamic rating. Mates with cups 55434 and 55437.
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| MFR / Brand | Timken |
|---|---|
| MPN | 55206-3 |
| Model | 55206 #3 |
| Bearing Type | Tapered Roller Bearing Cone |
| ID | 2.0625 in (52.388 mm) |
| Series | 55000 |
|---|---|
| Material | Case-Hardened Steel |
| Base Number | 55206 |
| Industry Terms | tapered roller bearing cone; TRB inner ring assembly; cone and roller assembly; Class 3 precision taper bearing |
| Common Misspellings | 55206 3; 552063; Timkin 55206 |
| Mpn Variants | 55206-3; 55206 #3; 55206*3; 55206 *3; 55206-3 cone |
| Compatible With Replaces | Mates with Timken cups 55434, 55437 (single) and 55444D (double cup) |
| Precision Class | Class 3 |
| Additional Attributes | C90 Radial Rating: 32,700 N (7,350 lbf); Ca90 Axial Rating: 49,500 N (11,100 lbf); K Factor: 0.66; Effective Center Location: 0.28 in (7.1 mm); Max Shaft Fillet Radius: 0.140 in (3.6 mm); Shaft Shoulder da: 2.51 in (63.9 mm); Shaft Shoulder db: 2.83 in (72 mm); Cage Location Aa: 0.16 in (4.1 mm); Cage Location Ab: 0.16 in (4.1 mm); G1 Factor: 36.8; G2 Factor: 13.2; Geometry Factor Cg: 0.109 |
| Dynamic Load Rating | 126,000 N |
| Static Load Rating | 119,000 N |
| Item Weight | 2.615 kg (5.76 lb) |
| Number Of Rows | 1 |
| Harmonization Code | 8482.20.00 |
| Design Units | Imperial |
| Bearing Class | Class 3 |
| Cone Part Number | 55206 |
| Cone Width | 1.0594 in (26.909 mm) |
| Cone Backface To Clear Radius | 0.14 in |
Timken 55206-3 single tapered roller bearing cone: the inner ring with its roller-and-cage assembly, Class 3 precision. Cone only. Matching single cups: Timken 55434 and 55437. Matching double cup: Timken 55444D.
55206 — Timken cone part number in the 55000 inch series, 2-1/16 in bore.
-3 — Class 3 precision tolerance grade, tighter than the standard Class 2 industrial grade.
Bore Diameter: 2.0625 in (52.388 mm). Cone Width: 1.0594 in (26.909 mm). Dynamic Load Rating: 126,000 N (28,300 lbf) at 1 million revolutions, ISO basis. Dynamic Radial Load Rating C90: 32,700 N (7,350 lbf). Dynamic Axial Rating Ca90: 49,500 N (11,100 lbf). Static Load Rating: 119,000 N (26,700 lbf). K Factor: 0.66. Item Weight: 2.615 kg (5.76 lb). Precision Class: Class 3.
Class 3 tolerances give lower runout for machine tool spindles, gear drives and other applications where shaft position matters.
Max Shaft Fillet Radius: 0.140 in (3.6 mm). Shaft Backing Shoulder Diameter, frontface (da): 2.51 in (63.9 mm). Shaft Backing Shoulder Diameter, backface (db): 2.83 in (72 mm). Effective Center Location: 0.28 in (7.1 mm). Cage Location rel. to backface (Aa): 0.16 in (4.1 mm). Cage Location rel. to frontface (Ab): 0.16 in (4.1 mm). G1 Factor: 36.8. G2 Factor: 13.2. Geometry Factor Cg: 0.109.
Pairs with Timken 55434 or 55437 single cups to form a TS single-row bearing (55206/55434, 55206/55437), or with the 55444D double cup in a TDO two-row arrangement. The 55206C is a separate Timken cone designation.
Rockwell’s own product page for the Kinetix 6000 is down
A faster way to search our bearing inventory Today we’re launching the Central Surplus Bearing
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