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5 in stock
Flanged-cup tapered roller bearing set, 3.2813 in (83.345 mm) bore, 4.9375 in (125.413 mm) OD, 5.1211 in flange OD, 117,000 N C1. Timken 27689/27620B.
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| MFR / Brand | Timken |
|---|---|
| MPN | 27689/27620B |
| Model | 27689 27620 B |
| Bearing Type | Tapered Roller Bearing Cone |
| ID | 3.2813 in (83.345 mm) |
| OD | 4.9375 in (125.413 mm) |
| Series | 27600 |
|---|---|
| Mpn Variants | 27689/27620B, 27689/27620-B, 27689 27620 B, 27620B |
| Dynamic Load Rating | 117,000 N |
| Static Load Rating | 178,000 N |
| Item Weight | 1.08 kg (2.4 lb) |
| Number Of Rows | 1 |
| Harmonization Code | 8482.20.00 |
| Cup Part Number | 27620B |
| Cup Width | 0.7813 in (19.845 mm) |
| Cup Backface To Clear Radius | 0.06 in |
| Cone Part Number | 27689 |
| Cone Width | 1.0000 in (25.400 mm) |
| Cone Backface To Clear Radius | 0.03 in |
| Effective Center Location | 0.02 in (0.5 mm) |
| Cross Reference 1 | SKF 27689/27620B |
|---|---|
| Cross Reference 2 | NTN 4T-27689/27620B |
Timken 27689/27620B is a single-row tapered roller bearing with a flanged cup: one 27689 cone and one 27620B flanged cup. Bore Diameter: 3.2813 in (83.345 mm). Outside Diameter: 4.9375 in (125.413 mm). Flange Outside Diameter: 5.1211 in (130.076 mm). Flange Width: 0.1875 in (4.763 mm). Overall Width: 1.0000 in (25.400 mm). Cone Width: 1.0000 in (25.400 mm). Cup Width: 0.7813 in (19.845 mm). Item Weight: 1.08 kg (2.4 lb). Rolling Elements: Tapered Roller.
27689 — Timken inch-series cone in the 27600 series.
27620B — the 27620 cup with a locating flange on its outside diameter. B on a cup marks the flanged execution.
Dynamic Load Rating: 117,000 N (26,300 lbf), Timken C1 at 1 million revolutions. Dynamic Radial Rating C90: 30,400 N. Dynamic Axial Rating Ca90: 21,600 N (4,860 lbf). Static Load Rating: 178,000 N (39,900 lbf). e Factor: 0.42. Y Factor: 1.44. K Factor: 1.4. The cup flange locates the bearing axially against the housing face, so the housing bore needs no shoulder.
Effective Center Location: 0.02 in (0.5 mm). Max Shaft Fillet Radius: 0.030 in (0.8 mm). Max Housing Fillet Radius: 0.06 in (1.5 mm). Shaft Backing Shoulder Diameter, Frontface (da): 3.54 in (90 mm). Shaft Backing Shoulder Diameter, Backface (db): 3.54 in (90 mm). Housing Backing Shoulder Diameter, Frontface (Da): 4.87 in (122.94 mm).
Unit Quantity: 2 Pcs, one cone and one flanged cup forming one complete single-row bearing.
The 27689 cone is an ABMA standard inch size also produced by SKF, NTN (4T-27689), Koyo and Bower. The flanged 27620B cup is a distinct part from the plain 27620 cup; the 27689 cone also mates the plain 27620 and the 27620DA double cup.
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