New Way® Concave Porous Media™ Radial Air Bearings are designed to maximize open-ID aperture rotary motion. These made-to-order components enable you to engineer a supporting structure outside the rotating body using a radius cut along the length (L) or width (W) of the bearing, depending on structural requirements. Offering the benefits of high-speed, high-precision, no friction, no wear, and excellent velocity control, these porous media air bearings are ideal for a wide range of high-performance and very large rotary bearing applications such as inspection, imaging, wind power, turbo machinery, powder processing, and wafer inspection.
S32150L***S32150L*** - 150mm x 300mm Radial Air Bearings Concave L Profile 
S32150L***S32150L*** - 150mm x 300mm Radial Air Bearings Concave L Profile
S32125L***S32125L*** - 125mm x 250mm Radial Air Bearings Concave L Profile
S32125L***S32125L*** - 125mm x 250mm Radial Air Bearings Concave L Profile
S32100L***S32100L*** - 100mm x 200mm Radial Air Bearings Concave L Profile
S32100L***S32100L*** - 100mm x 200mm Radial Air Bearings Concave L Profile
S3275L***S3275L*** - 75mm x 150mm Radial Air Bearings Concave L Profile
S3275L***S3275L*** - 75mm x 150mm Radial Air Bearings Concave L Profile
S3250L***S3250L*** - 50mm x 100mm Radial Air Bearings Concave L Profile
S3250L***S3250L*** - 50mm x 100mm Radial Air Bearings Concave L Profile
S3240L***S3240L*** - 40mm x 80mm Radial Air Bearings Concave L Profile
S3240L***S3240L*** - 40mm x 80mm Radial Air Bearings Concave L Profile
S3225L***S3225L*** - 25mm x 50mm Radial Air Bearings Concave L Profile
S3225L***S3225L*** - 25mm x 50mm Radial Air Bearings Concave L Profile
S3220L***S3220L*** - 20mm x 40mm Radial Air Bearings Concave L Profile
S3220L***S3220L*** - 20mm x 40mm Radial Air Bearings Concave L Profile
S3215L***S3215L*** - 15mm x 30mm Radial Air Bearings Concave L Profile
S3215L***S3215L*** - 15mm x 30mm Radial Air Bearings Concave L Profile
S3212L***S3212L*** - 12mm x 24mm Radial Air Bearings Concave L Profile
S3212L***S3212L*** - 12mm x 24mm Radial Air Bearings Concave L Profile
Comparision Table
| Size (Diameter) | Part # (select for load/lift curve & drawings) | Ideal Load at 5μm Fly Height | Stiffness N/micron (lbs/μin) @ 0.41 MPa (60psi) | Flow NLPM (SCFH) @ 0.41 MPa (60psi) | Ball Socket Size | Bearing Height mm (in) | Bearing Weight grams (pounds) |
|---|---|---|---|---|---|---|---|
| 150 x 300 mm150 x 300 mm | S32150L***S32150L*** | 2,350 lb10,453 N | 9.39 lb/μin1645 N/μm | 10.99 SCFH5.19 NLPM | 25 mm25 mm | 3.94 in100 mm | 26.06 lb11,822 g |
| 125 x 250 mm125 x 250 mm | S32125L***S32125L*** | 1500 lb6672 N | 5.76 lb/μin1009 N/μm | 10.51 SCFH4.96 NLPM | 25 mm25 mm | 2.95 in75 mm | 15.29 lb6937 g |
| 100 x 200 mm100 x 200 mm | S32100L***S32100L*** | 900 lb4003 N | 3.80 lb/μin665 N/μm | 9.00 SCFH4.25 NLPM | 25 mm25 mm | 2.76 in70 mm | 8.00 lb3628 g |
| 75 x 150 mm75 x 150 mm | S3275L***S3275L*** | 420 lb1868 N | 1.43 lb/μin250 N/μm | 4.25 NLPM4.25 NLPM | 25 mm25 mm | 1.97 in50 mm | 3.02 lb1372 g |
| 50 x 100 mm50 x 100 mm | S3250L***S3250L*** | 180 lb801 N | 0.63 lb/μin110 N/μm | 4.72 NLPM4.72 NLPM | 13 mm13 mm | 0.98 in25 mm | 0.65 lb295 g |
| 40 x 80 mm40 x 80 mm | S3240L***S3240L*** | 100 lb445 N | 0.33 lb/μin58 N/μm | 4.25 NLPM4.25 NLPM | 13 mm13 mm | 0.79 in20 mm | 0.32 lb145 g |
| 25 x 50 mm25 x 50 mm | S3225L***S3225L*** | 35 lb156 N | 0.13 lb/μin22 N/μm | 2.36 NLPM2.36 NLPM | 6 mm6 mm | 0.67 in17 mm | 0.10 lb48 g |
| 20 x 40 mm20 x 40 mm | S3220L***S3220L*** | 20 lb89 N | 0.08 lb/μin14 N/μm | 1.89 NLPM1.89 NLPM | 6 mm6 mm | 0.51 in13 mm | 0.05 lb24 g |
| 15 x 30 mm15 x 30 mm | S3215L***S3215L*** | 10 lb44 N | 0.04 lb/μin7 N/μm | 1.18 NLPM1.18 NLPM | 6 mm6 mm | 0.39 in10 mm | 0.02 lb8 g |
| 12 x 24 mm12 x 24 mm | S3212L***S3212L*** | 5 lb22 N | 0.03 lb/μin5 N/μm | 0.40 NLPM0.40 NLPM | 6 mm6 mm | 0.24 in6 mm | 0.01 lb6 g |
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