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Deep Groove Ball Bearings: The Industry Default and When to Reach for Something Else
If you pulled a bearing off general industrial equipment at random, there’s a good chance
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Tapered roller bearing cone and cup set, 3.6210 in (91.973 mm) bore, 5.6250 in (142.875 mm) OD, 1.1811 in (30 mm) width, 164,000 N C1. Timken LM718947/LM718910.
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| MFR / Brand | Timken |
|---|---|
| MPN | LM718947/LM718910 |
| Model | LM 718947 / LM 718910 |
| Bearing Type | Tapered Roller Bearing Cone |
| ID | 3.6210 in (91.973 mm) |
| OD | 5.6250 in (142.875 mm) |
| Series | LM718900 |
|---|---|
| Mpn Variants | LM718947/LM718910, LM-718947 LM-718910 |
| Dynamic Load Rating | 164,000 N |
| Static Load Rating | 240,000 N |
| Item Weight | 1.60 kg (3.6 lb) |
| Number Of Rows | 1 |
| Harmonization Code | 8482.20.00 |
| Cup Part Number | LM718910 |
| Cup Width | 0.8661 in (21.999 mm) |
| Cup Backface To Clear Radius | 0.06 in |
| Cone Part Number | LM718947 |
| Cone Width | 1.1811 in (30.000 mm) |
| Cone Backface To Clear Radius | 0.14 in |
| Effective Center Location | 0.07 in (1.8 mm) |
| Cross Reference 1 | SKF LM 718947/LM 718910 |
|---|---|
| Cross Reference 2 | NTN 4T-LM718947/LM718910 |
| Cross Reference 3 | Koyo LM718947/LM718910 |
Timken LM718947/LM718910 is a single-row tapered roller bearing: one LM718947 cone and one LM718910 cup. Bore Diameter: 3.6210 in (91.973 mm). Outside Diameter: 5.6250 in (142.875 mm). Overall Width: 1.1811 in (30.000 mm). Cone Width: 1.1811 in (30.000 mm). Cup Width: 0.8661 in (21.999 mm). Item Weight: 1.60 kg (3.6 lb). Rolling Elements: Tapered Roller.
LM718947 — Timken inch-series cone in the LM718900 series. LM marks the light-medium section.
LM718910 — the matching single cup, 5.6250 in OD.
Dynamic Load Rating: 164,000 N (36,800 lbf), Timken C1 at 1 million revolutions. Dynamic Radial Rating C90: 42,400 N (9,540 lbf). Dynamic Axial Rating Ca90: 34,700 N (7,810 lbf). Static Load Rating: 240,000 N (53,900 lbf). e Factor: 0.48. K Factor: 1.22. Y Factor: 1.25.
Effective Center Location: 0.07 in (1.8 mm). Max Shaft Fillet Radius: 0.140 in (3.56 mm). Max Housing Fillet Radius: 0.130 in (3.30 mm). Shaft Backing Shoulder Diameter, Frontface (da): 3.94 in (100 mm). Shaft Backing Shoulder Diameter, Backface (db): 4.17 in (106 mm). Housing Backing Shoulder Diameter, Frontface (Da): 5.46 in (138.68 mm). Housing Backing Shoulder Diameter, Backface (Db): 5.08 in (129.03 mm).
Unit Quantity: 2 Pcs, one cone and one cup forming one complete single-row bearing.
LM718947/LM718910 is an ABMA standard inch set also produced by SKF, NTN (4T-LM718947/LM718910), Koyo and Bower.
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