FAG 7234-B-MP-UA Angular Contact Ball Bearing Overview
The FAG 7234-B-MP-UA is part of the FAG Angular Contact Ball Bearings series. The supplied product description identifies it as a single-row 72..-B-MP angular contact ball bearing with a solid brass cage.
What are the bearing's main dimensions?
- Bore diameter (d): 170 mm
- Outside diameter (D): 310 mm
- Width (B): 52 mm
- Weight: 17.34 kg
Load, Speed, and Temperature Data
The supplied performance data lists radial load ratings, fatigue load limit, speed values, contact angle, and operating temperature boundaries for the 7234-B-MP-UA.
What load and speed values are provided?
- Basic dynamic load rating, radial (Cr): 270,000 N
- Basic static load rating, radial (C0r): 355,000 N
- Fatigue load limit, radial (Cur): 11,900 N
- Limiting speed (nG): 3,250 1/min
- Reference speed (nϑr): 2,440 1/min
- Contact angle (α): 40°
- Operating temperature range: -30 °C to 200 °C
Mounting and Geometry Details
The data includes mounting shoulder and fillet limits, chamfer dimensions, and shoulder diameters that can be compared with the assembly configuration.
What mounting and dimensional values should be reviewed?
- Shaft shoulder minimum diameter (da min): 187 mm
- Housing shoulder maximum diameter (Da max): 293 mm
- Housing shoulder maximum diameter (Db max): 301 mm
- Shaft maximum fillet radius (ra max): 3 mm
- Housing maximum fillet radius (ra1 max): 1.5 mm
- Minimum chamfer dimensions: rmin 4 mm; r1 min 1.5 mm
- Outer-ring shoulder diameter (D1): 255.8 mm
- Inner-ring shoulder diameter (d1): 227.38 mm
- Distance between pressure-cone apexes (a): 126.7 mm