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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
Availability:
8 in stock
Class 3 precision inner ring and roller assembly in case-carburized steel, straight bore, single row, for inch tapered mounting in opposed pairs.
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$72.51
8 in stock
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| MFR / Brand | Timken |
|---|---|
| MPN | 11157X-3 |
| Model | 11157 X #3 |
| Bearing Type | Tapered Roller Bearing Cone |
| ID | 1.5750 in |
| Series | 11100 |
|---|---|
| Base Number | 11157X |
| Mpn Variants | 11157X-3; 11157X*3; 11157X#3; 11157-X *3; 11157 X 3; 11157X |
| Precision Class | Class 3 |
| Rolling Elements | Tapered Roller |
| Number Of Rows | 1 |
| Bore Type | Straight |
| Harmonization Code | 8482.20.00 |
| Design Units | Imperial |
| Bearing Material | Case-Carburized Steel |
| Cone Part Number | 11157X |
| Cone Width | 0.6844 in |
| Cone Backface To Clear Radius | 0.06 in |
| Cone Frontface Backing Diameter | 1.79 in |
| Cage Cone Frontface Clearance | 0.09 in |
| Cage Cone Backface Clearance | 0.04 in |
| Effective Center Location | -0.03 in |
| Cross Reference 1 | Timken 11157 – base cone, 1.5740 in bore, not X variant |
|---|---|
| Cross Reference 2 | SKF 11157 – base cone, 1.5740 in bore, not X variant |
| Cross Reference 3 | NTN 4T-11157 – base cone, 1.5740 in bore, not X variant |
| Cross Reference 4 | Koyo 11157 – base cone, 1.5740 in bore, not X variant |
Timken 11157X-3 inch tapered roller bearing cone, the inner ring with its roller and cage assembly. Cone Part Number: 11157X. Series: 11100. Base Number: 11157X. Design Units: Imperial. Rolling Elements: Tapered Roller. Number Of Rows: 1. Bore Type: Straight. Bore Diameter: 1.5750 in. Bearing Material: Case-Carburized Steel.
11157 — the cone number in the 11100 inch dimension series, a 1.5750 in bore.
X — a dimensional variant of the base cone within the same series, carrying its own envelope.
-3 — Precision Class 3, also written *3 and #3. Tighter running tolerance, lower running vibration and closer shaft location than standard class.
Bore Diameter: 1.5750 in. Precision Class: Class 3. Bore Type: Straight. Bearing Material: Case-Carburized Steel. Rolling Elements: Tapered Roller. Number Of Rows: 1.
Class 3 holds the bore, the raceway and the running faces to a tighter band than the standard class, which puts the shaft closer to its nominal position and lowers running vibration at speed.
Case-carburized steel gives a hard raceway surface over a tough core, so the roller path resists contact fatigue while the ring absorbs shock load.
Unit Quantity: 1 Pc. Cone only. Tapered roller cones are mounted in opposing pairs on a shaft for two-point location.
The X variant carries its own envelope within the 11100 series, so the base 11157 cone shares the series while sizing differently. Timken 11157 (related). SKF 11157 (related). NTN 4T-11157 (related). Koyo 11157 (related).
Searchable designation variants: 11157X-3, 11157X*3, 11157X#3, 11157-X *3, 11157 X 3, 11157X, Class 3 precision.
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