FAG 7328-B-MP-UA

FAG 7328-B-MP-UA Angular Contact Ball Bearing Overview

The 7328-B-MP-UA is an FAG single-row angular contact ball bearing in the 73..-B-MP design with a solid brass cage. Its main dimensions are a 140 mm bore, 300 mm outside diameter, and 62 mm width. The bearing has a listed weight of approximately 21.3 kg.

What are the basic bearing dimensions?

• Bore diameter (d): 140 mm
• Outside diameter (D): 300 mm
• Width (B): 62 mm
• Weight: approximately 21.3 kg

7328-B-MP-UA Load, Speed, and Temperature Data

The supplied product data lists radial load ratings, speed values, and operating temperature limits for the FAG 7328-B-MP-UA. The basic dynamic radial load rating is 310,000 N, and the basic static radial load rating is 375,000 N. The fatigue load limit is 13,100 N.

What performance values are provided?

• Basic dynamic radial load rating (Cr): 310,000 N
• Basic static radial load rating (C0r): 375,000 N
• Fatigue radial load limit (Cur): 13,100 N
• Limiting speed (nG): 3,350 1/min
• Reference speed: 2,400 1/min
• Operating temperature range: -30 °C to 200 °C

Mounting and Geometry Details for the FAG Bearing

The 7328-B-MP-UA has a 40° contact angle and includes specified shoulder, chamfer, and mounting dimensions. These values support dimensional review when checking shaft and housing preparation against the supplied bearing data.

What mounting and geometric dimensions are listed?

1. Minimum shaft shoulder diameter (da min): 157 mm
2. Maximum housing shoulder diameter (Da max): 283 mm
3. Maximum housing shoulder diameter (Db max): 291 mm
4. Maximum shaft fillet radius (ra max): 3 mm
5. Maximum housing fillet radius (ra1 max): 1.5 mm
6. Minimum chamfer dimensions: rmin 4 mm; r1 min 1.5 mm
7. Outer-ring shoulder diameter (D1): 239.5 mm
8. Inner-ring shoulder diameter (d1): 204.38 mm
9. Pressure-cone apex distance (a): 123.3 mm
10. Contact angle: 40°