What this part is:

FAG 6018-2RSR single-row deep groove ball bearing, 90 mm bore, 140 mm outside diameter, 24 mm width, with contact rubber seals on both faces. Grease filled and sealed for life. Unit Quantity: 1 Pc.

Decoding the designation:

6018 — single-row deep groove ball bearing, bore code 18 × 5 = 90 mm, 140 mm outside diameter, 24 mm width.

2RSR — two contact rubber seals, one on each face, in the FAG scheme.

No clearance suffix — normal internal clearance (CN).

Specifications:

Bore Diameter: 90 mm (3.5433 in). Outside Diameter: 140 mm (5.5118 in). Overall Width: 24 mm (0.9449 in). Dynamic Load Rating (Cr): 62,000 N. Static Load Rating (C0r): 49,500 N. Limiting Speed: 2,500 rpm. Closure Type: Two contact rubber seals. Internal Clearance: CN. Precision Class: P0 (ABEC 1). Item Weight: 1.21 kg (2.67 lb). Rolling Elements: Ball. Number Of Rows: 1. Lubricant: Grease, sealed for life. Series: 6000 (18 size). Base Number: 6018.

Dimensions and mounting:

Minimum Shaft Shoulder Diameter: 97 mm. Maximum Housing Shoulder Diameter: 133 mm. Maximum Fillet Radius: 1.5 mm. Fatigue Load Limit (Cur): 3,000 N.

Compatibility and replacement:

Cross-references with contact seals on both faces in the 90 x 140 x 24 mm envelope: SKF 6018-2RS1, NTN 6018LLU, NSK 6018DDU, Koyo 6018-2RS and Timken 6018-2RS. The open 6018 shares the envelope and has no seals; the shielded 6018-2Z has non-contact shields.

Frequently asked questions:

What are the dimensions of the 6018-2RSR?

Bore 90 mm, outside diameter 140 mm and width 24 mm.

What are the load ratings and limiting speed?

Schaeffler lists a dynamic radial rating of 62,000 N, a static radial rating of 49,500 N and a limiting speed of 2,500 rpm.

What does 2RSR mean?

2RSR is the FAG code for contact rubber seals on both faces.