Timken3479/3426Tapered Roller Bearing Cone and Cup Set – 1.4375 in Bore, 3.1230 in Outside Diameter, 1.1563 in Width, 105,000 N Dynamic Load Rating

Product Description

What this part is:

Timken 3479/3426 is an inch tapered roller bearing set: one 3479 single cone and one 3426 single cup, a TS single-row assembly. Unit Quantity: 2 Pcs.

Decoding the designation:

3479 — the cone number, fixing the 1.4375 in bore and the raceway angle.

3426 — the cup number, fixing the 3.1230 in outside diameter and the matching raceway.

Specifications:

Bore Diameter: 1.4375 in (36.513 mm). Outside Diameter: 3.1230 in (79.324 mm). Overall Width: 1.1563 in (29.370 mm). Cone Width: 1.1721 in (29.771 mm). Cup Width: 0.9375 in (23.813 mm). Dynamic Load Rating: 105,000 N (23,500 lbf) at 1 million revolutions. Static Load Rating: 119,000 N (26,800 lbf). K Factor: 1.6. e Factor: 0.37. Y Factor: 1.64. Series: 3400. Rolling Elements: Tapered Roller. Number Of Rows: 1. Bore Type: Straight. Item Weight: 0.7 kg (1.5 lb).

Dimensions and mounting:

Effective Center Location: -0.34 in (-8.6 mm), inside the cone backface. Max Shaft Fillet Radius: 0.030 in (0.8 mm). Max Housing Fillet Radius: 0.130 in (3.30 mm). Shaft Backing Shoulder Diameter, frontface (da): 1.75 in (44.5 mm). Shaft Backing Shoulder Diameter, backface (db): 1.79 in (45.5 mm). Housing Backing Shoulder Diameter, frontface (Da): 2.94 in (74.68 mm). Housing Backing Shoulder Diameter, backface (Db): 2.64 in (67.06 mm). Cage Location relative to backface (Aa): 0.04 in (1 mm). Cage Location relative to frontface (Ab): 0.05 in (1.3 mm).

Compatibility and replacement:

The 3479/3426 inch designation is shared across makers: SKF, NSK, Koyo, Fersa, BCA/Bower and PEER list it as 3479/3426, NTN lists it as 4T-3479/3426, and FAG lists it as K-3479 / K-3426. Also written 3479 / 3426 and 3479 3426.

CAD model and data sheet: available from Timken (cad.timken.com).

Frequently asked questions:

What does the Timken 3479/3426 set contain?

One 3479 single cone and one 3426 single cup.

What are the bore and outside diameter?

Bore 1.4375 in (36.513 mm) and outside diameter 3.1230 in (79.324 mm), with a 1.1563 in (29.370 mm) overall width.

What is the dynamic load rating?

105,000 N (23,500 lbf) at 1 million revolutions, with a static rating of 119,000 N (26,800 lbf).