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Deep Groove Ball Bearings: The Industry Default and When to Reach for Something Else
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Availability:
4 in stock
Tapered roller bearing cone, 1.1250 in bore x 0.9478 in wide, Class 3 precision, 92,000 N dynamic rating. Timken 43112-3 single cone, 43000 series.
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| MFR / Brand | Timken |
|---|---|
| MPN | 43112-3 |
| Model | 43112 #3 |
| Bearing Type | Tapered Roller Bearing Cone |
| ID | 1.1250 in (28.575 mm) |
| Series | 43000 |
|---|---|
| Mpn Variants | 43112-3, 43112, 43112 *3, 43112 #3, 431123 |
| Precision Class | Class 3 |
| Additional Attributes | C90: 23,900 N; Ca90: 27,300 N; K 0.87; G1 16.8; G2 7.6; db 42.5 mm |
| Dynamic Load Rating | 92,000 N |
| Static Load Rating | 76,200 N |
| Precision Rating | Class 3 |
| Rolling Elements | Tapered Roller |
| Harmonization Code | 8482.2 |
| Bearing Class | Class 3 |
| Cone Part Number | 43112 |
| Cone Width | 0.9478 in (24.074 mm) |
| Cone Backface To Clear Radius | 0.030 in (0.8 mm) |
| Cone Frontface Backing Diameter | 1.63 in (41.5 mm) |
| Cage Cone Frontface Clearance | 0.13 in (3.3 mm) |
| Cage Cone Backface Clearance | 0.1 in (2.5 mm) |
| Effective Center Location | -0.08 in (-2 mm) |
| Cross Reference 1 | Koyo 43112 |
|---|---|
| Cross Reference 2 | NTN 4T-43112 |
Timken 43112-3 is a Class 3 single cone (inner ring, tapered rollers and cage) for a single-row tapered roller bearing, 43000 series. Bore Diameter: 1.1250 in (28.575 mm). Cone Width: 0.9478 in (24.074 mm). Rolling Elements: Tapered Roller.
43112 — Timken single cone, 1.1250 in bore, 43000 series.
-3 / *3 — Timken Class 3 precision: tighter tolerance and lower runout than standard Class 2.
Dynamic Load Rating (C1): 92,000 N (20,700 lbf), ISO 1 million revolutions. Dynamic Radial Load Rating (C90): 23,900 N (5,360 lbf). Dynamic Axial Rating (Ca90): 27,300 N (6,130 lbf). Static Load Rating: 76,200 N (17,100 lbf). K Factor: 0.87. G1 Factor: 16.8. G2 Factor: 7.6. Precision Class: Class 3.
Effective Load Center: -0.08 in (-2 mm), inside the cone backface. Max Shaft Fillet Radius: 0.030 in (0.8 mm). Shaft Backing Shoulder Diameter: 1.63 in (41.5 mm) frontface, 1.67 in (42.5 mm) backface. Cage Location relative to backface (Aa): 0.1 in (2.5 mm). Cage Location relative to frontface (Ab): 0.13 in (3.3 mm).
Unit Quantity: 1 Pc. Cone only.
43112 is an ABMA inch cone number also built as Koyo 43112 and NTN 4T-43112, matching the bore and width. The Class 3 grade is specific to this Timken cone.
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