With the success of the original flat round porous media air bearing product line, the rectangular configuration was added to offer an integration alternative. For some linear motion applications, the rectangular profile provides a more efficient bearing surface alignment.
S1215001S1215001 - 150mm x 300mm Flat Rectangular Air Bearing 
S1215001S1215001 - 150mm x 300mm Flat Rectangular Air Bearing
S1212501S1212501 - 125mm x 250mm Flat Rectangular Air Bearing 
S1212501S1212501 - 125mm x 250mm Flat Rectangular Air Bearing
S1210001S1210001 - 100mm x 200mm Flat Rectangular Air Bearing 
S1210001S1210001 - 100mm x 200mm Flat Rectangular Air Bearing
S127501S127501 - 75mm x 150mm Flat Rectangular Air Bearing 
S127501S127501 - 75mm x 150mm Flat Rectangular Air Bearing
S125001S125001 - 50mm x 100mm Flat Rectangular Air Bearing 
S125001S125001 - 50mm x 100mm Flat Rectangular Air Bearing
S124002S124002 - 40mm x 80mm Flat Rectangular Air Bearing 
S124002S124002 - 40mm x 80mm Flat Rectangular Air Bearing
S124001S124001 - 40mm x 50mm Flat Rectangular Air Bearing 
S124001S124001 - 40mm x 50mm Flat Rectangular Air Bearing
S122501S122501 - 25mm x 50mm Flat Rectangular Air Bearing 
S122501S122501 - 25mm x 50mm Flat Rectangular Air Bearing
S122001S122001 - 20mm x 40mm Flat Rectangular Air Bearing 
S122001S122001 - 20mm x 40mm Flat Rectangular Air Bearing
S121501S121501 - 15mm x 30mm Flat Rectangular Air Bearing 
S121501S121501 - 15mm x 30mm Flat Rectangular Air Bearing
S121201S121201 - 12mm x 24mm Flat Rectangular Air Bearing 
S121201S121201 - 12mm x 24mm Flat Rectangular Air Bearing
Comparision Table
| Size (Diameter) | Part # (select for load/lift curve & drawings) | Ideal Load N (lb) @ 0.41 MPa (60psi) | Stiffness N/micron (lb/μin) @ 0.41 MPa (60psi) | No Load Flow NLPM (SCFH) | Ball Socket Size | Bearing Height mm (in) | Bearing Weight grams (pounds) |
|---|---|---|---|---|---|---|---|
| 150 x 300 mm150 x 300 mm | S1215001S1215001 | 2500 lb11121 N | 9.33 lb/μin1645 N/μm | 10.5 - 11.5 SCFH4.96 - 5.43 NLPM | 40 mm40 mm | 3.94 in100 mm | 14.76 lb6693 g |
| 125 x 250 mm125 x 250 mm | S1212501S1212501 | 1750 lb7784 N | 5.72 lb/μin1009 N/μm | 10.0 - 11.0 SCFH4.72 - 5.19 NLPM | 25 mm25 mm | 3.35 in85 mm | 10.14 lb4597 g |
| 100 x 200 mm100 x 200 mm | S1210001S1210001 | 1100 lb4893 N | 3.77 lb/μin665 N/μm | 7.5 - 9.5 SCFH3.24 - 4.11 NLPM | 25 mm25 mm | 2.76 in70 mm | 8.00 lb3628 g |
| 75 x 150 mm75 x 150 mm | S127501S127501 | 580 lb2580 N | 1.85 lb/μin324 N/μm | 4.2 - 6.8 SCFH1.98 - 3.21 NLPM | 25 mm25 mm | 1.97 in50 mm | 3.11 lb1411 g |
| 50 x 100 mm50 x 100 mm | S125001S125001 | 250 lb1112 N | 0.63 lb/μin110 N/μm | 4.8 - 7.8 SCFH2.27 - 3.68 NLPM | 13 mm13 mm | 0.98 in25 mm | 0.65 lb295 g |
| 40 x 80 mm40 x 80 mm | S124002S124002 | 140 lb623 N | 0.33 lb/μin58 N/μm | 4.0 - 6.8 SCFH1.89 - 3.21 NLPM | 13 mm13 mm | 0.79 in20 mm | 0.32 lb145 g |
| 40 x 50 mm40 x 50 mm | S124001S124001 | 80 lb356 N | 0.20 lb/μin35 N/μm | 2.4 - 4.0 SCFH1.04 - 1.73 NLPM | 13 mm13 mm | 0.51 in13 mm | 0.13 lb56 g |
| 25 x 50 mm25 x 50 mm | S122501S122501 | 42 lb187 N | 0.13 lb/μin22 N/μm | 2.0 - 2.5 SCFH0.86 - 1.08 NLPM | 6 mm6 mm | 0.67 in17 mm | 0.11 lb48 g |
| 20 x 40 mm20 x 40 mm | S122001S122001 | 25 lb111 N | 0.08 lb/μin14 N/μm | 1.5 - 2.5 SCFH0.71 - 1.18 NLPM | 6 mm6 mm | 0.51 in13 mm | 0.06 lb26 g |
| 15 x 30 mm15 x 30 mm | S121501S121501 | 14 lb62 N | 0.04 lb/μin7 N/μm | 1.0 - 2.0 SCFH0.47 - 0.94 NLPM | 6 mm6 mm | 0.39 in10 mm | 0.02 lb8 g |
| 12 x 24 mm12 x 24 mm | S121201S121201 | 8 lb36 N | 0.03 lb/μin5 N/μm | 0.4 - 0.6 SCFH0.19 - 0.28 NLPM | 6 mm6 mm | 0.39 in10 mm | 0.01 lb6 g |
