COM Series Stainless Steel Spherical Bearing
COM spherical bearings use a metal-to-metal contact design with a precision-ground, heat-treated 52100 bearing-steel ball and an oil-coated alloy-steel race. The COM series includes a lubrication groove and hole for service access. Inch bore sizes cover compact linkage points through heavy-duty pivot locations. You can specify an optional zinc-plated race or select the COM-T PTFE-lined variant when routine lubrication is difficult.
Applications: Use COM bearings in suspension and chassis pivots, articulated agricultural equipment, industrial mechanisms, and fabricated machinery joints. They suit radial load support where you can provide a defined lubrication and inspection schedule.
- Metal to Metal
- Lubrication Groove Hole
- Heat-Treated Ball
- Inch Sizes
Specifications
| INCH PART NO. | B DIA. +.0015 -.0005 | D DIA. +.0000 -.0005 | W WIDTH +.005 -.005 | T WIDTH +.005 -.005 | O FLAT DIA. REF. | M CHAMFER REF. | BALL DIA. REF. | a° MIS. ANGLE REF. | STATIC RADIAL LOAD (LBS) | APPROX WEIGHT (LBS) |
|---|---|---|---|---|---|---|---|---|---|---|
| COM2(T) | 0.165 | 0.4687 | 0.25 | 0.187 | 0.235 | 0.02 | 0.343 | 9 | 3,200 | 0 |
| COM3(T) | 0.19 | 0.5625 | 0.281 | 0.218 | 0.293 | 0.015 | 0.406 | 11 | 3,250 | 0 |
| COM4(T) | 0.25 | 0.6562 | 0.343 | 0 | 0.364 | 0.022 | 0.5 | 13.5 | 4,950 | 0 |
| COM5(T) | 0.3125 | 1 | 0 | 0 | 0.419 | 0.032 | 0.562 | 12 | 6,475 | 0 |
| COM6(T) | 0.375 | 1 | 0 | 0 | 0.516 | 0.032 | 0.656 | 10 | 8,400 | 0 |
| COM7(T) | 0.4375 | 1 | 0 | 0 | 0.53 | 0.032 | 0.687 | 8 | 9,453 | 0 |
| COM8(T) | 0.5 | 1 | 1 | 0 | 0.64 | 0.032 | 0.781 | 9.5 | 13,250 | 0 |
| COM9(T) | 0.5625 | 1 | 1 | 0 | 0.71 | 0.032 | 0.875 | 9.5 | 16,630 | 0 |
| COM10(T) | 0.625 | 1 | 1 | 1 | 0.78 | 0.032 | 0.968 | 8.5 | 21,280 | 0 |
| COM12(T) | 0.75 | 1 | 1 | 1 | 0.92 | 0.044 | 1.187 | 9 | 31,920 | 0 |
| COM14(T) | 0.875 | 2 | 1 | 1 | 0.98 | 0.044 | 1.312 | 9.5 | 41,960 | 0 |
| COM16(T) | 1 | 2 | 1 | 1 | 1.118 | 0.044 | 1.5 | 10 | 55,200 | 0 |
| HCOM16(T) | 1 | 2 | 1 | 0.781 | 1.36 | 0.032 | 1.687 | 9 | 70,820 | 1 |
| HCOM19(T) | 1.1875 | 2.375 | 1.187 | 0.937 | 1.61 | 0.032 | 2 | 8.5 | 100,730 | 1 |
| HCOM20(T) | 1.25 | 2.375 | 1.187 | 0.937 | 1.61 | 0.032 | 2 | 8.5 | 100,730 | 1 |
| HCOM24(T) | 1.5 | 2.75 | 1.375 | 1.094 | 1.86 | 0.032 | 2.312 | 8.5 | 135,950 | 1 |
| HCOM28(T) | 1.75 | 3.125 | 1.562 | 1.25 | 2.11 | 0.044 | 2.625 | 8 | 176,370 | 2 |
| HCOM32(T) | 2 | 3.5 | 1.75 | 1.375 | 2.36 | 0.044 | 2.937 | 8.5 | 217,060 | 3 |
| METRIC PART NO. | B DIA. +.065 -.013 | D DIA. +.000 -.018 | W WIDTH +.13 -.13 | T WIDTH +.13 -.13 | O FLAT DIA. REF. | M CHAMFER REF. | BALL DIA. REF. | a° MIS. ANGLE REF. | STATIC RADIAL LOAD (LBS) | APPROX WEIGHT (GRAMS) |
|---|---|---|---|---|---|---|---|---|---|---|
| COMA-M3(T) | 3 | 12 | 6 | 4.5 | 5.19 | 0.5 | 7.93 | 13.5 | – | – |
| COMA-M5(T) | 5 | 16 | 8 | 6 | 7.68 | 0.5 | 11.1 | 12.5 | 27,555 | 9 |
| COMA-M6(T) | 6 | 18 | 9 | 7 | 8.93 | 0.5 | 12.7 | 12.5 | 35,459 | 13 |
| COMA-M8(T) | 8 | 22 | 12 | 9 | 10.35 | 0.8 | 15.88 | 14 | 59,121 | 24 |
| COMA-M10(T) | 10 | 26 | 14 | 11 | 12.88 | 0.8 | 19.05 | 13.5 | 82,744 | 40 |
| COMA-M12(T) | 12 | 30 | 16 | 12 | 15.39 | 0.8 | 22.23 | 13 | 112,829 | 80 |
| COMA-M14(T) | 14 | 34 | 19 | 14 | 16.86 | 1 | 25.4 | 16 | 141,845 | 110 |
| COMA-M16(T) | 16 | 38 | 21 | 15 | 19.34 | 1 | 28.58 | 15 | 177,343 | 130 |
| COMA-M18(T) | 18 | 42 | 23 | 17 | 21.89 | 1 | 31.75 | 15 | 216,714 | 170 |
| COMA-M20(T) | 20 | 46 | 25 | 18 | 24.35 | 1 | 34.93 | 14.5 | 260,086 | 230 |
| COMA-M22(T) | 22 | 50 | 28 | 20 | 25.84 | 1.5 | 38.1 | 15 | 315,216 | 280 |
| COMA-M25(T) | 25 | 56 | 31 | 22 | 29.6 | 1.5 | 42.86 | 15 | 390,056 | 390 |
| COMA-M30(T) | 30 | 66 | 37 | 25 | 34.81 | 1.5 | 50.8 | 17 | 525,360 | 610 |
Why Choose Profab Machine
Manufacturer-Direct Pricing
We are the original manufacturer. Buying direct eliminates all distributor markups, giving you the most competitive price per meter while maintaining consistent quality across every batch. Maximum margins for your business.
Strong Customization
We specialize in small-batch orders, high-precision ground bars, and special-shaped profiles, helping you reduce secondary machining time while meeting the most demanding engineering specifications.
Quality Guarantee
Our expert team provides metallurgical consultation and corrosion analysis, delivering high-performance materials backed by full traceability and professional guidance for complex industrial environment substitutions.
