FAG 7238-B-MP-UA
Angular contact ball bearing 72..-B-MP, single row, solid brass cage
(BRAND)：FAG
(Availability)：In Stock
Main Dimensions & Performance Data
d
190 mm
Bore diameter
D
340 mm
Outside diameter
B
55 mm
Width
Cr
300,000 N
Basic dynamic load rating, radial
C0r
425,000 N
Basic static load rating, radial
Cur
13,600 N
Fatigue load limit, radial
nG
2,950 1/min
Limiting speed
nϑr
2,140 1/min
Reference speed
≈m
21.8 kg
Weight
Mounting dimensions
da min
207 mm
Minimum diameter of shaft shoulder
Da max
323 mm
Maximum diameter of housing shoulder
Db max
331 mm
Maximum diameter of housing shoulder
ra max
3 mm
Maximum fillet radius of shaft
ra1 max
1.5 mm
Maximum fillet radius of housing
FAG 7238-B-MP-UA Angular Contact Ball Bearing Basics
The 7238-B-MP-UA is an FAG Angular Contact Ball Bearing from the 72..-B-MP design. The supplied product data identifies it as a single-row bearing with a solid brass cage and a 40 degree contact angle.
What are the bearing's principal dimensions?
- Bore diameter (d): 190 mm
- Outside diameter (D): 340 mm
- Width (B): 55 mm
- Approximate mass: 21.8 kg
7238-B-MP-UA Load and Speed Data
The bearing data includes radial load ratings, a fatigue load limit, and speed values. These values provide the published performance basis for comparing this FAG angular contact ball bearing within the stated series.
What load ratings and speeds are listed for this bearing?
- Basic dynamic load rating, radial (Cr): 300,000 N
- Basic static load rating, radial (C0r): 425,000 N
- Fatigue load limit, radial (Cur): 13,600 N
- Limiting speed (nG): 2,950 1/min
- Reference speed (nϑr): 2,140 1/min
Mounting, Geometry, and Temperature Information
The supplied data also covers mounting dimensions, minimum chamfer dimensions, shoulder geometry, pressure-cone spacing, and operating temperature limits. Use these values when checking fitment against the mating shaft and housing configuration.
What mounting and dimensional details should be reviewed?
- Shaft shoulder: da min 207 mm; ra max 3 mm
- Housing shoulder: Da max 323 mm; Db max 331 mm; ra1 max 1.5 mm
- Minimum chamfer dimensions: rmin 4 mm; r1 min 1.5 mm
- Shoulder diameters: D1 281 mm; d1 250 mm
- Pressure-cone apex distance (a): 138.7 mm
- Contact angle: 40 degrees
- Operating temperature range: -30 degrees C to 200 degrees C
