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Central Surplus Bearing Finder
A faster way to search our bearing inventory Today we’re launching the Central Surplus Bearing
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Class 3 tapered roller bearing cone, 1.5000 in (38.100 mm) bore, 0.9330 in cone width, 78,000 N C1 dynamic rating. Mates with the Timken 27820 cup.
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| MFR / Brand | Timken |
|---|---|
| MPN | 27881-3 |
| Model | 27881 #3 |
| Bearing Type | Tapered Roller Bearing Cone |
| ID | 1.5000 in (38.100 mm) |
| Series | 27800 |
|---|---|
| Base Number | 27881 |
| Industry Terms | tapered roller bearing cone, TRB cone, cone assembly, inner ring and roller assembly |
| Mpn Variants | 27881-3, 27881 *3, 27881 #3, 278813 |
| Precision Class | Class 3 |
| Dynamic Axial Rating Ca90 | 19,400 N |
| K Factor | 1.04 |
| Dynamic Load Rating | 78,000 N (C1, 1 million revolutions) |
| Static Load Rating | 91,100 N |
| Rolling Elements | Tapered Roller |
| Number Of Rows | 1 |
| Harmonization Code | 8482.2 |
| Design Units | Inch |
| Bearing Class | Class 3 |
| Cone Part Number | 27881 |
| Cone Width | 0.9330 in (23.698 mm) |
| Effective Center Location | -0.1 in (-2.5 mm) |
| Cross Reference 1 | Timken 27881 (standard precision) |
|---|
Timken 27881-3 is a single tapered roller bearing cone: the inner ring with its tapered rollers and cage. Cone only. Matching Cup: Timken 27820. Bore Diameter: 1.5000 in (38.100 mm). Cone Width: 0.9330 in (23.698 mm). Precision Class: Class 3.
27881 — Timken inch cone number in the 27800 series, 1-1/2 in bore.
-3 — Timken Class 3 precision: tighter tolerance and lower running vibration.
Dynamic Load Rating: 78,000 N (C1, 1 million revolutions). Dynamic Load Rating (C90): 20,200 N (90 million revolutions). Dynamic Axial Rating (Ca90): 19,400 N. Static Load Rating: 91,100 N. K Factor: 1.04. G1 Factor: 24.6. G2 Factor: 12.6. Geometry Factor (Cg): 0.0839.
Effective Center Location: -0.1 in (-2.5 mm). Max Shaft Fillet Radius: 0.140 in (3.600 mm). Shaft Backing Shoulder Diameter Frontface: 1.85 in (47 mm). Shaft Backing Shoulder Diameter Backface: 2.09 in (53 mm). Cage Location Relative To Backface: 0.1 in (2.5 mm). Cage Location Relative To Frontface: 0.09 in (2.3 mm).
Unit Quantity: 1 Pc. Rolling Elements: Tapered Roller. Number Of Rows: 1. Design Units: Inch.
Assembly Designation: Timken 27881/27820, a single-row TS bearing with Assembly Outside Diameter: 3.1510 in (80.035 mm) and Assembly Width: 0.9688 in (24.608 mm). Cross-Reference 1: Timken 27881, the same cone in standard precision.
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A faster way to search our bearing inventory Today we’re launching the Central Surplus Bearing
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Our team can locate, cross-reference, and source all parts.
Our team can locate, cross-reference, and source all parts.
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