FAG 7228-B-XL-MP-UB
Angular contact ball bearing 72..-B-XL-MP, single row, X-life, solid brass cage
(BRAND)：FAG
(Availability)：In Stock
Main Dimensions & Performance Data
d
140 mm
Bore diameter
D
250 mm
Outside diameter
B
42 mm
Width
Cr
214,000 N
Basic dynamic load rating, radial
C0r
231,000 N
Basic static load rating, radial
Cur
11,500 N
Fatigue load limit, radial
nG
4,450 1/min
Limiting speed
nϑr
3,100 1/min
Reference speed
≈m
8.695 kg
Weight
Mounting dimensions
da min
154 mm
Minimum diameter of shaft shoulder
Da max
236 mm
Maximum diameter of housing shoulder
Db max
243 mm
Maximum diameter of housing shoulder
ra max
2.5 mm
Maximum fillet radius of shaft
ra1 max
1 mm
Maximum fillet radius of housing
FAG 7228-B-XL-MP-UB Angular Contact Ball Bearing Introduction
The 7228-B-XL-MP-UB is an FAG single-row angular contact ball bearing in the 72..-B-XL-MP design. The supplied 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: 140 mm
- Outside diameter: 250 mm
- Width: 42 mm
- Weight: 8.695 kg
7228-B-XL-MP-UB Load and Speed Data
The bearing's supplied radial load and speed values support product comparison and engineering selection. No additional load, certification, or application claims are stated.
What load ratings and speeds are provided for the FAG 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
Mounting, Geometry, and Temperature Details for 7228-B-XL-MP-UB
The supplied mounting, geometry, and temperature figures describe installation interfaces and operating-temperature boundaries. Use these values with the associated drawing or equipment specification.
What mounting and dimensional details should be reviewed?
- Shaft shoulder: da min 154 mm
- Housing shoulders: Da max 236 mm; Db max 243 mm
- Fillet radii: ra max 2.5 mm; ra1 max 1 mm
- Minimum chamfer dimensions: r min 3 mm; r1 min 1.1 mm
- Additional geometry: D1 207.5 mm; d1 183.5 mm; a 102.8 mm; contact angle 40°
- Operating temperature range: -30 °C to 200 °C
