APG Hydraulic Seals Catalog
APG Hydraulic Seals Catalog APG Hydraulic Seals Catalog
www.callapg.com 713-675-5271 FAX 713-675-2730 1-800-888-5223 FAX 1-800-444-3252 U-Cup Installation Data The lips of the U-Cup should always be toward the pressure force. The U-Cup is a floating seal which means the height of the U-Cup should be between .015" to .090" shorter than the depth of the gland. (See the Packing Space Chart below). The added gland space allows the pressure to equalize on both lips, thus keeping the U-Cup from rolling. The surface finish for a static seal surface should be 32 RMS maximum. The dynamic surface should be in the range of 8 to 16 RMS. Finishes rougher than 16 RMS could cause premature lip wear and finishes finer than 8 RMS can result in failure of the seal due to loss of lubrication. Packing Space Chart Seal Depth 1/8 3/16 1/4 5/16 3/8 1/2 5/8 3/4 Packing .137 .206 .274 .342 .411 .548 .685 .822 Space .142 .212 .281 .351 .421 .560 .700 .839 Need assistance? Ask our experienced sales staff. We are here to help! 20
www.callapg.com 713-675-5271 FAX 713-675-2730 1-800-888-5223 FAX 1-800-444-3252 U-Cup Dimensional Data 8400 Series 80 Durometer Nitrile 6226 Series 70 Durometer Nitrile Part Number CR Block V Number Cross Reference Inside Diameter (inches) NU8402-0031 711800 5/16 7/16 1/16 NU8403-0012 711800 1/8 5/16 3/32 NU8403-0018 711802 3/16 3/8 3/32 NU8403-0031 700054 5/16 1/2 3/32 NU8404-0025 711803 1/4 1/2 1/8 NU8404-0037 711805 3/8 5/8 1/8 NU8404-0050 711806 1/2 3/4 1/8 NU8404-0056 710696 9/16 13/16 1/8 NU8404-0062 710212 5/8 7/8 1/8 NU8404-0075 711825 3/4 1 1/8 NU8404-0087 711810 7/8 1 1/8 1/8 NU8404-0093 711811 15/16 1 3/16 1/8 NU8404-0100 711080 1 1 1/4 1/8 NU8405-0100 701084 1 1 5/16 5/32 NU8405-0106 711814 1 1/16 1 3/8 5/32 NU8405-0118 711817 1 3/16 1 1/2 5/32 NU8405-0125 710989 1 1/4 1 9/16 5/32 NU8405-0131 711818 1 5/16 1 5/8 5/32 NU8405-0137 711826 1 3/8 1 11/16 5/32 NU8405-0143 711820 1 7/16 1 3/4 5/32 NU8406-0150 711822 1 1/2 1 7/8 3/16 NU8406-0162 711823 1 5/8 2 3/16 NU8406-0175 702011 1 3/4 2 1/8 3/16 NU8406-0187 711824 1 7/8 2 1/4 3/16 NU8406-0212 710087 2 1/8 2 1/2 3/16 NU8406-0237 711828 2 3/8 2 3/4 3/16 NU8407-0256 711831 2 9/16 3 7/32 NU8407-0275 711832 2 3/4 3 3/16 7/32 NU8407-0281 711834 2 13/16 3 1/4 7/32 NU8407-0306 711836 3 1/16 3 1/2 7/32 NU8408-0350 711841 3 1/2 4 1/4 NU8408-0450 711857 4 1/2 5 1/4 NU8410-0537 711850 5 3/8 6 5/16 NU8410-0637 711852 6 3/8 7 5/16 NU8410-0737 711853 7 3/8 8 5/16 For availability of sizes not listed, please inquire. Outside Diameter (inches) Width (inches) Part Number Inside Diameter (inches) Outside Diameter (inches) Width (inches) NU6226-1 1/8 1/2 3/16 NU6226-2 3/16 9/16 3/16 NU6226-3 1/4 5/8 3/16 NU6226-4 5/16 11/16 3/16 NU6226-5 3/8 3/4 3/16 NU6226-6 7/16 13/16 3/16 NU6226-7 1/2 7/8 3/16 NU6226-8 1/4 3/4 1/4 NU6226-9 5/16 13/16 1/4 NU6226-10 3/8 7/8 1/4 NU6226-11 7/16 15/16 1/4 NU6226-12 1/2 1 1/4 NU6226-13 9/16 1 1/16 1/4 NU6226-14 5/8 1 1/8 1/4 NU6226-16 3/4 1 1/4 1/4 NU6226-18 7/8 1 3/8 1/4 NU6226-19 15/16 1 7/16 1/4 NU6226-20 1 1 1/2 1/4 NU6226-22 1 1/8 1 5/8 1/4 NU6226-23 1 3/16 1 11/16 1/4 NU6226-24 1 1/4 1 3/4 1/4 NU6226-25 1 1/4 1 7/8 5/16 NU6226-26 1 3/8 2 5/16 NU6226-27 1 1/2 2 1/8 5/16 NU6226-28 1 5/8 2 1/4 5/16 NU6226-29 1 3/4 2 3/8 5/16 NU6226-30 1 7/8 2 1/2 5/16 NU6226-31 2 2 5/8 5/16 NU6226-32 2 1/8 2 3/4 5/16 NU6226-34 2 3/8 3 5/16 NU6226-35 2 1/2 3 1/8 5/16 NU6226-37 2 5/8 3 3/8 3/8 NU6226-38 2 3/4 3 1/2 3/8 NU6226-39 2 7/8 3 5/8 3/8 NU6226-41 1/8 3/8 1/8 NU6226-42 3/16 7/16 1/8 NU6226-43 1/4 1/2 1/8 NU6226-44 5/16 9/16 1/8 NU6226-45 3/8 5/8 1/8 NU6226-47 1/2 3/4 1/8 NU6226-48 5/8 1 3/16 NU6226-49 3/4 1 1/8 3/16 NU6226-50 7/8 1 1/4 3/16 NU6226-51 1 1 3/8 3/16 NU6226-52 1 1/8 1 1/2 3/16 NU6226-53 1 1/4 1 5/8 3/16 For availability of sizes not listed, please inquire. 21
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www.callapg.com 713-675-5271 FAX 713-675-2730<br />
1-800-888-5223 FAX 1-800-444-3252<br />
U-Cup Dimensional Data<br />
8400 Series<br />
80 Durometer Nitrile<br />
6226 Series<br />
70 Durometer Nitrile<br />
Part<br />
Number<br />
CR Block<br />
V Number<br />
Cross<br />
Reference<br />
Inside<br />
Diameter<br />
(inches)<br />
NU8402-0031 711800 5/16 7/16 1/16<br />
NU8403-0012 711800 1/8 5/16 3/32<br />
NU8403-0018 711802 3/16 3/8 3/32<br />
NU8403-0031 700054 5/16 1/2 3/32<br />
NU8404-0025 711803 1/4 1/2 1/8<br />
NU8404-0037 711805 3/8 5/8 1/8<br />
NU8404-0050 711806 1/2 3/4 1/8<br />
NU8404-0056 710696 9/16 13/16 1/8<br />
NU8404-0062 710212 5/8 7/8 1/8<br />
NU8404-0075 711825 3/4 1 1/8<br />
NU8404-0087 711810 7/8 1 1/8 1/8<br />
NU8404-0093 711811 15/16 1 3/16 1/8<br />
NU8404-0100 711080 1 1 1/4 1/8<br />
NU8405-0100 701084 1 1 5/16 5/32<br />
NU8405-0106 711814 1 1/16 1 3/8 5/32<br />
NU8405-0118 711817 1 3/16 1 1/2 5/32<br />
NU8405-0125 710989 1 1/4 1 9/16 5/32<br />
NU8405-0131 711818 1 5/16 1 5/8 5/32<br />
NU8405-0137 711826 1 3/8 1 11/16 5/32<br />
NU8405-0143 711820 1 7/16 1 3/4 5/32<br />
NU8406-0150 711822 1 1/2 1 7/8 3/16<br />
NU8406-0162 711823 1 5/8 2 3/16<br />
NU8406-0175 702011 1 3/4 2 1/8 3/16<br />
NU8406-0187 711824 1 7/8 2 1/4 3/16<br />
NU8406-0212 710087 2 1/8 2 1/2 3/16<br />
NU8406-0237 711828 2 3/8 2 3/4 3/16<br />
NU8407-0256 711831 2 9/16 3 7/32<br />
NU8407-0275 711832 2 3/4 3 3/16 7/32<br />
NU8407-0281 711834 2 13/16 3 1/4 7/32<br />
NU8407-0306 711836 3 1/16 3 1/2 7/32<br />
NU8408-0350 711841 3 1/2 4 1/4<br />
NU8408-0450 711857 4 1/2 5 1/4<br />
NU8410-0537 711850 5 3/8 6 5/16<br />
NU8410-0637 711852 6 3/8 7 5/16<br />
NU8410-0737 711853 7 3/8 8 5/16<br />
For availability of sizes not listed, please inquire.<br />
Outside<br />
Diameter<br />
(inches)<br />
Width<br />
(inches)<br />
Part<br />
Number<br />
Inside<br />
Diameter<br />
(inches)<br />
Outside<br />
Diameter<br />
(inches)<br />
Width<br />
(inches)<br />
NU6226-1 1/8 1/2 3/16<br />
NU6226-2 3/16 9/16 3/16<br />
NU6226-3 1/4 5/8 3/16<br />
NU6226-4 5/16 11/16 3/16<br />
NU6226-5 3/8 3/4 3/16<br />
NU6226-6 7/16 13/16 3/16<br />
NU6226-7 1/2 7/8 3/16<br />
NU6226-8 1/4 3/4 1/4<br />
NU6226-9 5/16 13/16 1/4<br />
NU6226-10 3/8 7/8 1/4<br />
NU6226-11 7/16 15/16 1/4<br />
NU6226-12 1/2 1 1/4<br />
NU6226-13 9/16 1 1/16 1/4<br />
NU6226-14 5/8 1 1/8 1/4<br />
NU6226-16 3/4 1 1/4 1/4<br />
NU6226-18 7/8 1 3/8 1/4<br />
NU6226-19 15/16 1 7/16 1/4<br />
NU6226-20 1 1 1/2 1/4<br />
NU6226-22 1 1/8 1 5/8 1/4<br />
NU6226-23 1 3/16 1 11/16 1/4<br />
NU6226-24 1 1/4 1 3/4 1/4<br />
NU6226-25 1 1/4 1 7/8 5/16<br />
NU6226-26 1 3/8 2 5/16<br />
NU6226-27 1 1/2 2 1/8 5/16<br />
NU6226-28 1 5/8 2 1/4 5/16<br />
NU6226-29 1 3/4 2 3/8 5/16<br />
NU6226-30 1 7/8 2 1/2 5/16<br />
NU6226-31 2 2 5/8 5/16<br />
NU6226-32 2 1/8 2 3/4 5/16<br />
NU6226-34 2 3/8 3 5/16<br />
NU6226-35 2 1/2 3 1/8 5/16<br />
NU6226-37 2 5/8 3 3/8 3/8<br />
NU6226-38 2 3/4 3 1/2 3/8<br />
NU6226-39 2 7/8 3 5/8 3/8<br />
NU6226-41 1/8 3/8 1/8<br />
NU6226-42 3/16 7/16 1/8<br />
NU6226-43 1/4 1/2 1/8<br />
NU6226-44 5/16 9/16 1/8<br />
NU6226-45 3/8 5/8 1/8<br />
NU6226-47 1/2 3/4 1/8<br />
NU6226-48 5/8 1 3/16<br />
NU6226-49 3/4 1 1/8 3/16<br />
NU6226-50 7/8 1 1/4 3/16<br />
NU6226-51 1 1 3/8 3/16<br />
NU6226-52 1 1/8 1 1/2 3/16<br />
NU6226-53 1 1/4 1 5/8 3/16<br />
For availability of sizes not listed, please inquire.<br />
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