FAG 7221-B-XL-MP-UA
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
105 mm
Bore diameter
D
190 mm
Outside diameter
B
36 mm
Width
Cr
155,000 N
Basic dynamic load rating, radial
C0r
142,000 N
Basic static load rating, radial
Cur
8,100 N
Fatigue load limit, radial
nG
6,000 1/min
Limiting speed
nϑr
4,100 1/min
Reference speed
≈m
4.235 kg
Weight
Mounting dimensions
da min
117 mm
Minimum diameter of shaft shoulder
Da max
178 mm
Maximum diameter of housing shoulder
Db max
183 mm
Maximum diameter of housing shoulder
ra max
2.1 mm
Maximum fillet radius of shaft
ra1 max
1 mm
Maximum fillet radius of housing
FAG 7221-B-XL-MP-UA Angular Contact Ball Bearing Overview
The 7221-B-XL-MP-UA is a FAG single-row angular contact ball bearing in the 72..-B-XL-MP series. The supplied product information identifies it as an X-life bearing with a solid brass cage.
What are the basic bearing dimensions?
- Bore diameter (d): 105 mm
- Outside diameter (D): 190 mm
- Width (B): 36 mm
- Weight: 4.235 kg
- Contact angle: 40°
Performance and Temperature Specifications
The bearing data includes radial load ratings, fatigue load limit, speed values, and operating temperature limits for the 7221-B-XL-MP-UA. These values are provided as published product data rather than application-specific recommendations.
What load, speed, and temperature data are listed?
- Basic dynamic load rating, radial (Cr): 155,000 N
- Basic static load rating, radial (C0r): 142,000 N
- Fatigue load limit, radial (Cur): 8,100 N
- Limiting speed (nG): 6,000 1/min
- Reference speed (nϑr): 4,100 1/min
- Operating temperature range: -30 °C to 150 °C
Mounting and Dimensional Details
The 7221-B-XL-MP-UA includes defined shoulder, fillet, chamfer, and pressure-cone dimensions. These details can be checked against the mating shaft and housing geometry before installation planning.
Which mounting and geometry values should be reviewed?
- Shaft shoulder minimum diameter (da min): 117 mm
- Housing shoulder maximum diameter (Da max): 178 mm
- Housing shoulder maximum diameter (Db max): 183 mm
- Maximum shaft fillet radius (ra max): 2.1 mm
- Maximum housing fillet radius (ra1 max): 1 mm
- Minimum chamfer dimensions: r min 2.1 mm; r1 min 1.1 mm
- Outer-ring shoulder diameter (D1): 157.7 mm
- Inner-ring shoulder diameter (d1): 138.2 mm
- Distance between pressure-cone apexes (a): 79.9 mm
