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Timken 39590A/39521 Taper Bearing Cone&Cup 2.624\" ID 4-7/16\" OD 39590-A
Timken 39590A / 39521 is an inch single-row tapered roller bearing supplied as a matched cone and cup, 2.6240 in bore, 4.4375 in outside diameter, 1.1876 in overall width. Unit Quantity: 2 Pcs (one 39590A cone and one 39521 cup).
Decoding the designation:39590 — the cone base number in the Timken 39500 inch tapered series.
A — the cone design revision with the 2.6240 in bore, distinct from the plain 39590.
39521 — the mating cup, 4.4375 in outside diameter.
Specifications:Bore Diameter: 2.6240 in (66.650 mm). Outside Diameter: 4.4375 in (112.713 mm). Overall Width: 1.1876 in (30.165 mm). Inner Ring Width B: 1.1875 in (30.163 mm). Outer Ring Width C: 0.9375 in (23.813 mm). Dynamic Load Rating: 167,000 N (37,500 lbf) at 1 million revolutions. Static Load Rating: 224,000 N (50,300 lbf). Dynamic Radial Load Rating C90: 43,300 N (9,730 lbf). Dynamic Axial Rating Ca90: 25,100 N (5,650 lbf). e Factor: 0.34. K Factor: 1.72. Y Factor: 1.77. Geometry Factor Cg: 0.107. G1 Factor: 84.3. G2 Factor: 23.7. Item Weight: 1.20 kg (2.60 lb). Series: 39500. Base Number: 39590A. Number Of Rows: 1. Rolling Elements: Tapered Roller. Bore Type: Straight. Bearing Material: Steel. Country of Origin: United States.
Dimensions and mounting:Effective Center Location: -0.26 in (-6.6 mm), inside the cone backface. Max Shaft Fillet Radius: 0.140 in (3.600 mm). Max Housing Fillet Radius: 0.03 in (0.76 mm). Shaft Backing Shoulder Diameter Frontface da: 2.99 in (75.9 mm). Shaft Backing Shoulder Diameter Backface db: 3.15 in (80 mm). Housing Backing Shoulder Diameter Frontface Da: 4.25 in (107.95 mm). Housing Backing Shoulder Diameter Backface Db: 4.06 in (103.12 mm). Cage Location Relative To Backface Aa: 0.05 in (1.3 mm). Cage Location Relative To Frontface Ab: 0.13 in (3.3 mm).
Compatibility and replacement:Cross-Reference 1: SKF 39590A/39521. Cross-Reference 2: FAG K-39590A-39521. Cross-Reference 3: NSK 39590A/39521. Cross-Reference 4: NTN 4T-39590A/39521. Cross-Reference 5: Koyo 39590A/39521. Cross-Reference 6: Fersa 39590A/39521. Cross-Reference 7: BCA/Bower 39590A/39521. The Timken 39581 / 39521 shares this cup and outside diameter on a 2.2500 in bore. Designation forms: 39590A/39521, 39590-A 39521, 39590A, 39521, 39590A-39521.
Frequently asked questions:What are the dimensions of the Timken 39590A/39521?Bore Diameter: 2.6240 in. Outside Diameter: 4.4375 in. Overall Width: 1.1876 in.
Does the listing include both cone and cup?Yes. One 39590A cone and one 39521 cup as a matched single-row assembly.
What are the load ratings?Dynamic Load Rating: 167,000 N. Static Load Rating: 224,000 N.
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