Timken30310Tapered Roller Bearing Cone and Cup – 50 x 110 x 29.25 mm, Metric ISO 303 Series, Stamped Steel Cage

Product Description

What this part is:

Timken 30310 metric single-row tapered roller bearing, cone X30310 and cup Y30310 together as one complete bearing, 50 mm bore x 110 mm outside diameter x 29.25 mm width, stamped steel cage. Unit Quantity: 1 Pc.

Decoding the designation:

30310 — ISO metric tapered roller bearing designation. The 303 dimension series sets the 50 mm bore against a 110 mm outside diameter and a 29.25 mm assembled width.

X30310 — the Timken cone: the inner ring with its tapered rollers and stamped steel cage. Cone Width (B): 27.000 mm (1.0630 in).

Y30310 — the Timken cup, the outer ring. Cup Width (C): 23.000 mm (0.9055 in).

30310-90KA1 — Timken assembly number for the same cone and cup pairing.

Specifications:

Bore Diameter: 50 mm (1.9685 in). Outside Diameter: 110 mm (4.3307 in). Overall Width: 29.25 mm (1.1516 in). Dynamic Load Rating: 142,000 N, rated at one million revolutions. Static Load Rating: 150,000 N. Dynamic radial rating at 90 million revolutions (C90): 36,800 N (8,270 lbf). Dynamic thrust rating at 90 million revolutions (Ca90): 21,700 N (4,890 lbf). K Factor: 1.69. e Factor: 0.35. Y Factor: 1.74. Number Of Rows: 1. Rolling Elements: Tapered roller. Cage Material: Stamped steel. Series: 30310. Design Units: Metric. Country of Origin: France.

Dimensions and mounting:

Cone backface to-clear radius (R): 2.540 mm (0.1 in). Cup backface to-clear radius (r): 2.03 mm (0.08 in). Cone frontface backing diameter (da): 58 mm (2.28 in). Cone backface backing diameter (db): 62 mm (2.44 in). Cup frontface backing diameter (Da): 103.89 mm (4.09 in). Cup backface backing diameter (Db): 98.04 mm (3.86 in). Cage-cone frontface clearance (Ab): 3.8 mm (0.15 in). Cage-cone backface clearance (Aa): 1.3 mm (0.05 in). Effective Center Location: -6.1 mm (-0.24 in), inside the cone backface.

Compatibility and replacement:

The 50 x 110 x 29.25 mm ISO 30310 envelope is carried by SKF as 30310 J2/Q, by FAG as 30310-A, by NSK as HR30310J (high-capacity design), by NTN as 4T-30310, by Koyo as 30310JR and by NACHI as 30310. Timken component numbers: X30310 cone, Y30310 cup.

Frequently asked questions:

What is the Timken 30310?

A metric single-row tapered roller bearing, 50 x 110 x 29.25 mm, consisting of cone X30310 and cup Y30310.

What are the load ratings of the Timken 30310?

Dynamic Load Rating: 142,000 N. Static Load Rating: 150,000 N.

What are the cone and cup widths?

Cone Width (B): 27.000 mm. Cup Width (C): 23.000 mm. Overall Width: 29.25 mm.