FAG 7228-B-XL-MP Angular Contact Ball Bearing Overview
The FAG 7228-B-XL-MP is a single-row angular contact ball bearing in the FAG 72..-B-XL-MP series. The product description identifies it as an X-life bearing with a solid brass cage.
What are the basic dimensions of the 7228-B-XL-MP?
- Bore diameter (d): 140 mm
- Outside diameter (D): 250 mm
- Width (B): 42 mm
- Weight: approximately 8.55 kg
7228-B-XL-MP Load, Speed, and Temperature Data
The supplied product data lists radial load ratings, speed values, and operating temperature boundaries for the FAG 7228-B-XL-MP bearing.
What performance values are provided for this bearing?
- Basic dynamic load rating, radial (Cr): 214,000 N
- Basic static load rating, radial (C0r): 231,000 N
- Fatigue load limit, radial (Cur): 11,500 N
- Limiting speed (nG): 4,450 1/min
- Reference speed (nϑr): 3,100 1/min
- Operating temperature range: -30 °C to 200 °C
Mounting and Geometry Details for the FAG 7228-B-XL-MP
The bearing data includes mounting dimensions, chamfer dimensions, shoulder diameters, pressure-cone distance, and contact angle for installation reference.
What mounting and geometric dimensions should be reviewed?
- Minimum shaft shoulder diameter (da min): 154 mm
- Maximum housing shoulder diameter (Da max): 236 mm
- Maximum housing shoulder diameter (Db max): 243 mm
- Maximum shaft fillet radius (ra max): 2.5 mm
- Maximum housing fillet radius (ra1 max): 1 mm
- Minimum chamfer dimensions: rmin 3 mm; r1 min 1.1 mm
- Outer-ring shoulder diameter (D1): 207.5 mm
- Inner-ring shoulder diameter (d1): 183.5 mm
- Distance between pressure-cone apexes (a): 102.8 mm
- Contact angle (α): 40°