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Load Rating Tables

Ridged Bronze or
ZA12* Sleeve Bearings
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Anson Bearing Load Rating Tables

(Ridged Bronze or ZA12* Sleeve Bearings)

Ridged Babbitt Sleeve Bearings | Ridged Urethane Sleeve Bearings

These load rating tables apply when the following installation and operating conditions are met:
  1. Maintain adequate grease lubrication.
  2. Align bearings with shaft for uniform load distribution.
  3. Normal running loads should not exceed ratings shown in load tables. Starting occasional peak loads should not exceed ratings by more than 100%.
  4. The journal shaft surface should be equal to that of commercial steel shafting (about 32 micro-inches) and the diameter within the tolerances of commercial steel shafting.
  5. Ambient temperature should not exceed 200F for babbitt, 300F, for bronze, 250F, for ZA and 225F, for urethane bushed bearings. If shaft transmits heat from a source such as an oven, the shaft temperature at the bearing should not exceed these ambient temperatures.
  6. Where thrust loads are present, install a bronze washer and fasten it in place with a set screw collar against end bearing. The bearing ends are finished.

Radial Load Rating For Ridged Bronze or ZA12* Sleeve Bearings

Shaft Size Shaft Speed, RPM (Load Rating in lbs.)

Inches 10 50 100 150 200 250 300 350 400
1 15/16, 2 1920 1880 1830 1790 1740 1690 1640 1590 1500
2 3/16, 2 1/4 2440 2390 2320 2240 2170 2100 2030 1960 1390
2 7/16, 2 1/2 3020 2940 2850 2750 2650 2560 2460 1860 1090
2 11/16, 2 3/4 3660 3560 3430 3300 3170 3040 2620 1580 545
2 15/16, 3 4370 4230 4060 3890 3720 3550 2440 ---- ----
3 7/16, 3 1/2 5960 5740 5470 5200 4930 3610 1440 ---- ----
3 15/16, 4 7790 7460 7060 6650 5910 ---- ---- ---- ----
4 7/16, 4 1/2 9860 9400 8820 8240 5400 ---- ---- ---- ----
4 15/16, 5 12180 11540 10740 9950 4090 ---- ---- ---- ----
5 7/16, 5 1/2 14740 13880 12820 10340 1820 ---- ---- ---- ----
5 15/16, 6 17530 16420 15040 9520 ---- ---- ---- ---- ----
6 7/16, 6 1/2 20560 19150 17390 7900 ---- ---- ---- ---- ----
6 15/16, 7 23840 22070 19870 5350 ---- ---- ---- ---- ----
7 7/16, 7 1/2 29170 26850 23950 1880 ---- ---- ---- ---- ----
7 15/16, 8 31090 28450 23410 ---- ---- ---- ---- ---- ----

Load ratings are based on industry standards by
Mechanical Power Transmission Association

 Anson Industrial MFG. Corporation
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