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Deep Groove Ball Bearings: The Industry Default and When to Reach for Something Else
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Availability:
7 in stock
Tapered roller bearing cone, 1.3750 in bore x 1.1250 in wide, Class 3 precision, 94,700 N dynamic rating. Timken 31594-3 single cone, 31500 series.
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| MFR / Brand | Timken |
|---|---|
| MPN | 31594-3 |
| Model | 31594 #3 |
| Bearing Type | Tapered Roller Bearing Cone |
| ID | 1.3750 in (34.925 mm) |
| Series | 31500 |
|---|---|
| Material | Case-Hardened Steel |
| Mpn Variants | 31594-3, 31594, 31594 *3, 31594 #3, 315943 |
| Precision Class | Class 3 |
| Additional Attributes | C90: 24,600 N; Ca90: 16,900 N; K 1.45; G1 26.3; G2 9.08; db 46 mm; Aa 1 mm; Ab 2 mm |
| Dynamic Load Rating | 94,700 N |
| Static Load Rating | 107,000 N |
| Precision Rating | Class 3 |
| Rolling Elements | Tapered Roller |
| Harmonization Code | 8482.20.00 |
| Bearing Class | Class 3 |
| Cone Part Number | 31594 |
| Cone Width | 1.1250 in (28.575 mm) |
| Cone Backface To Clear Radius | 0.060 in (1.5 mm) |
| Cone Frontface Backing Diameter | 1.71 in (43.5 mm) |
| Effective Center Location | -0.3 in (-7.6 mm) |
| Cross Reference 1 | Timken 31594 – standard class, not Class 3 |
|---|---|
| Cross Reference 2 | Koyo 31594 – standard class, not Class 3 |
| Cross Reference 3 | NTN 4T-31594 – standard class, not Class 3 |
Timken 31594-3 is a Class 3 single cone (inner ring, tapered rollers and cage) for a single-row tapered roller bearing, 31500 series. Bore Diameter: 1.3750 in (34.925 mm). Cone Width: 1.1250 in (28.575 mm). Rolling Elements: Tapered Roller.
31594 — Timken single cone, 1.3750 in bore, 31500 series.
-3 / *3 — Timken Class 3 precision: tighter tolerance and lower runout than standard Class 2.
Dynamic Load Rating (C1): 94,700 N (21,300 lbf), ISO 1 million revolutions. Dynamic Radial Load Rating (C90): 24,600 N (5,520 lbf). Dynamic Axial Rating (Ca90): 16,900 N (3,800 lbf). Static Load Rating: 107,000 N (24,100 lbf). K Factor: 1.45. G1 Factor: 26.3. G2 Factor: 9.08. Precision Class: Class 3.
Effective Load Center: -0.3 in (-7.6 mm), inside the cone backface. Max Shaft Fillet Radius: 0.060 in (1.5 mm). Shaft Backing Shoulder Diameter: 1.71 in (43.5 mm) frontface, 1.81 in (46 mm) backface. Cage Location relative to backface (Aa): 0.04 in (1 mm). Cage Location relative to frontface (Ab): 0.08 in (2 mm).
Unit Quantity: 1 Pc. Cone only.
31594 is an ABMA inch cone number also built as Koyo 31594 and NTN 4T-31594, matching the bore and width. The Class 3 grade is specific to this Timken cone.
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