Timken27287B/27620BTapered Roller Bearing Cone and Flanged Cup Set – 3.2500 in Bore, 4.9375 in OD, Inch Series 27600

Product Description

What this part is:

Timken 27287B/27620B inch tapered roller bearing cone and flanged cup set, 27600 series, supplied as a matched single-row assembly. Unit Quantity: 2 Pcs (one cone and one flanged cup).

Decoding the designation:

27600 series — the Timken inch tapered roller family for this size band.

B on the cup — the flanged cup execution. The integral flange locates the cup against the housing face, so a through-bored housing needs no machined shoulder.

-90047 — the Timken complete-assembly order number for the matched cone and cup supplied together.

Specifications:

Bearing Type: Tapered roller bearing cone and flanged cup set. Series: 27600. Rolling Elements: Tapered Roller. Number Of Rows: 1. Bore Type: Straight. Dynamic Load Rating: 117,000 N (26,300 lbf) at 1 million revolutions. Static Load Rating: 178,000 N (39,900 lbf). Dynamic Radial Load Rating C90: 30,400 N (6,830 lbf). Dynamic Axial Rating Ca90: 21,600 N (4,860 lbf). e Factor: 0.42. K Factor: 1.4. Y Factor: 1.44. Item Weight: 0.80 kg (1.70 lb).

Dimensions and mounting:

Bore Diameter: 3.2500 in (82.550 mm). Outside Diameter: 4.9375 in (125.413 mm). Inner Ring Width B: 1.0000 in (25.400 mm). Outer Ring Width C: 0.7813 in (19.845 mm). Outer Ring Flange Outside Diameter D1: 5.1211 in (130.076 mm). Outer Ring Flange Width C2: 0.1875 in (4.763 mm). Effective Center Location: 0.02 in (0.5 mm). Max Shaft Fillet Radius: 0.140 in (3.600 mm). Max Housing Fillet Radius: 0.06 in (1.5 mm). Shaft Backing Shoulder Diameter Frontface da: 3.50 in (89 mm). Shaft Backing Shoulder Diameter Backface db: 3.78 in (96 mm). Housing Backing Shoulder Diameter Frontface Da: 4.87 in (122.94 mm).

Compatibility and replacement:

Cross-references for the 27620-B flanged cup: SKF 27620 B, NTN 4T-27620B, Koyo 27620B, Fersa 27620B, BCA/Bower 27620B. MPN Variants: 27287B/27620B, 27287-B 27620-B, 27287B-90047, 27620B, 27620-B.

Frequently asked questions:

What are the dimensions of the Timken 27287B/27620B?

Bore Diameter: 3.2500 in (82.550 mm). Outside Diameter: 4.9375 in (125.413 mm). Outer Ring Flange Outside Diameter D1: 5.1211 in (130.076 mm).

What are the load ratings of the Timken 27287B/27620B?

Dynamic Load Rating: 117,000 N (26,300 lbf) at 1 million revolutions. Static Load Rating: 178,000 N (39,900 lbf).

What does the set contain?

Unit Quantity: 2 Pcs. One cone and one flanged cup, a matched single-row assembly.