FAG 7318-B-XL-MP-UO Angular Contact Ball Bearing Overview
The 7318-B-XL-MP-UO is an FAG single-row angular contact ball bearing in the 73..-B-XL-MP design. The supplied product data identifies it as an X-life bearing with a solid brass cage and a 40° contact angle.
What are the basic dimensions of this bearing?
- Bore diameter (d): 90 mm
- Outside diameter (D): 190 mm
- Width (B): 43 mm
- Weight: 5.686 kg
Published Load and Speed Data for 7318-B-XL-MP-UO
The bearing data includes radial load ratings, fatigue load limit, and speed values. These figures provide the published performance parameters for the FAG 7318-B-XL-MP-UO without implying an application-specific rating.
What load and speed values are listed?
- Basic dynamic load rating, radial (Cr): 171,000 N
- Basic static load rating, radial (C0r): 144,000 N
- Fatigue load limit, radial (Cur): 8,400 N
- Limiting speed (nG): 6,100 1/min
- Reference speed (nϑr): 3,950 1/min
Mounting, Geometry, and Temperature Details
The supplied data lists mounting dimensions, ring geometry, chamfer dimensions, and operating temperature boundaries. These details can be compared with shaft and housing requirements during design review.
What mounting and dimensional details are provided?
- Shaft and housing shoulders: da min 104 mm; Da max 176 mm; Db max 183 mm.
- Fillet radii: ra max 2.5 mm; ra1 max 1 mm.
- Minimum chamfer dimensions: rmin 3 mm; r1 min 1.1 mm.
- Ring and contact geometry: D1 152.14 mm; d1 130.3 mm; a 80.2 mm; contact angle 40°.
- Operating temperature range: -30 °C to 150 °C.