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Availability:
7 in stock
Timken 74555D double-row tapered roller bearing cone, 5.5000 in bore, 4.1875 in wide, inch 74500 series, one-piece double inner race with two roller rows.
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| MFR / Brand | Timken |
|---|---|
| MPN | 74555D |
| GTIN | 053893395555 |
| Model | 74555-D |
| Bearing Type | Tapered Roller Bearing Cone |
| ID | 5.5000 in |
| Series | 74500 |
|---|---|
| Base Number | 74555 |
| Overall Width | 4.1875 in |
| Mpn Variants | 74555D; 74555-D; 74555 D |
| Precision Class | Not specified |
| Dynamic Load Rating C1 | 594,000 N |
| Dynamic Axial Rating Ca90 | 73,800 N |
| K Factor | 1.2 |
| Additional Attributes | TDI form; one-piece double inner race; double cone only, takes two single cups |
| Dynamic Load Rating | 341,000 N |
| Static Load Rating | 567,000 N |
| Rolling Elements | Tapered Roller |
| Item Weight | 12.30 kg (27.10 lb) |
| Number Of Rows | 2 |
| Bore Type | Straight |
| Harmonization Code | 8482.20.00 |
| Design Units | Imperial |
| Bearing Material | Case-carburized alloy steel |
| Part Number | 74555D |
| Cone Part Number | 74555D |
| Cone Width | 4.1875 in |
| Industry Terms | double cone; TDI bearing; two-row tapered roller bearing cone; inch tapered double inner ring; double row cone |
| Common Misspellings | Timkin 74555D; Timken 74555 D; Timkin 74555-D; Timken 74555D cone; Timkin double cone 74555D |
| Application Types | Rolling mill rolls; gearbox output shafts; heavy vertical spindles |
| Cross Reference 1 | SKF 74555 D |
|---|---|
| Cross Reference 2 | NTN 74555D |
| Cross Reference 3 | Koyo 74555D |
| Cross Reference 4 | NSK 74555D |
| Cross Reference 5 | Bower / BCA 74555D |
| Cross Reference 6 | Fersa 74555D |
| Cross Reference 7 | PEER 74555D |
| Cross Reference 8 | QBL 74555D |
| Cross Reference 9 | Timken 74550 - single-row cone, same 5.5000 in bore |
Timken 74555D is a tapered roller bearing double cone (TDI form): a one-piece double inner race carrying two rows of tapered rollers and their cages. 5.5000 in bore, 4.1875 in overall width, inch 74500 series. Double cone only; the two matching single cups are separate parts. Unit Quantity: 1 Pc.
74555 — cone number in Timken’s 74500 inch tapered series, 5.5000 in bore.
D — double cone: one-piece inner race carrying both roller rows, running against two single cups.
Bore Diameter: 5.5000 in (139.700 mm). Overall Width: 4.1875 in (106.363 mm). Number Of Rows: 2. Rolling Elements: Tapered Roller. Bore Type: Straight. Closure Type: Open. Bearing Material: Case-carburized alloy steel. Item Weight: 12.30 kg (27.10 lb). Dynamic Load Rating: 341,000 N per row. Two-Row Dynamic Load Rating: 594,000 N. Static Load Rating: 567,000 N. Dynamic Radial Rating C90: 88,400 N. Two-Row Dynamic Radial Rating C90-2row: 154,000 N. Dynamic Axial Rating Ca90: 73,800 N. K Factor: 1.2. Geometry Factor Cg: 0.131.
Max Shaft Fillet Radius: 0.060 in (1.5 mm). Shaft Backing Shoulder Diameter, frontface (da): 6.06 in (154 mm). Cage Location relative to frontface (Ab): -0.09 in (-2.3 mm). The double cone seats on a straight shaft journal against the backing shoulder; two single cups locate in the housing bore.
Same-number inch tapered cones: SKF 74555 D, NTN 74555D, Koyo 74555D, NSK 74555D, Bower / BCA 74555D, Fersa 74555D, PEER 74555D, QBL 74555D. The Timken 74550 is a single-row cone on the same 5.5000 in bore. Written forms: 74555D, 74555-D, 74555 D.
5.5000 in (139.700 mm) bore and 4.1875 in (106.363 mm) overall width.
It is a double cone only: the one-piece inner race with two rows of tapered rollers and cages. The cups are separate.
12.30 kg (27.10 lb), per the Timken item page.
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