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Press-fit Specifications

The Spyraflo Press Fit feature allows the use of Self-Aligning Bearings in non-metallic housings and assemblies without an adverse affect on the bearing ID. Bearings mounted in housings or frames where bearing replacement is a possibility or requirement, can benefit from Press Fit Bearings.

Press Fit Features:

• Ideal for mounting bearings in injection molded plastic parts compensating for mis-aligned bearing mounting holes and resulting in smooth shaft rotation.  

Needle Roller | Press-Fit/Self-Align Bearing I.D. Nominal Shaft Dia. Min/Max Max. Radial Dyn. Load Max. Speed Mount. Hole Flange Dia. Flange Height Height Weight Part. No.     Lbf/N RPM A B C D     1/8" .1247-.1250 240 31,500 .500 .56 .03 .37 0.2 oz PSN-125 3/16" .1872-.1875 630 21,000 .625 .69 .03 .43 0.4 oz PSN-187 1/4" .2495-.2500 570 44,000 .625 .69 .03 .43 0.8 oz PSN-250 5/16" .3120-.3125 650 35,500 .812 .88 .03 .60 0.7 oz PSN-312 3/8" .3745-.3750 650 29,500 .812 .88 .03 .60 0.6 oz PSN-375 1/2" .4995-.5000 1,040 22,000 1.063 1.13 .03 .77 1.5 oz PSN-500 5/8" .6245-.6250 1,830 17,600 1.250 1.31 .03 .85 2.4 oz PSN-625 4MM 3.992-4.000 1,780 41,000 15.90 17.4 .75 10.8 11 g PSN-4M 6MM 5.992-6.000 2,030 35,000 15.90 17.4 .75 10.8 10 g PSN-6M 8MM 7.991-8.000 2,750 28,000 20.60 22.2 .75 15.2 22 g PSN-8M 10MM 9.991-10.000 4,400 23,000 20.60 22.2 .75 15.2 20 g PSN-10M 12MM 11.989-12.000 4,950 20,000 27.00 28.5 .75 19.6 44 g PSN-12M 15MM 14.989-15.000 7,900 16,000 31.80 33.3 .75 21.6 66 g PSN-15M

Bronze | Self-Align/Press-Fit Nominal I.D. I.D. Actual Max. Radial Dyn. Load Max Speed Mounting Hole Flange Dia. Flange Height Bearing Length Part No.   min. max. lbf / N r.p.m. A B C D   1/8" .1255-.1260 70 30550 .344 .41 .03 .27 PSB-125 3/16" .1883-.1888 140 20310 .500 .56 .03 .38 PSB-187 1/4" .2508-.2513 190 15270 .500 .56 .03 .38 PSB-250 5/16" .3133-.3140 270 12240 .625 .69 .03 .43 PSB-312 3/8" .3758-.3765 320 10180 .625 .69 .03 .43 PSB-375 1/2" .5010-.5017 600 7640 .812 .88 .03 .60 PSB-500 5/8" .6260-.6270 890 6110 1.063 1.13 .03 .77 PSB-625 4MM 4.01-4.03 530 24170 12.70 14.2 .75 9.6 PSB-4M 6MM 6.02-6.04 790 16110 12.70 14.2 .75 9.6 PSB-6M 8MM 8.02-8.04 1190 12120 15.90 17.4 .75 10.8 PSB-8M 10MM 10.02-10.04 1490 9700 15.90 17.4 .75 10.8 PSB-10M 12MM 12.03-12.05 2430 8060 20.60 22.2 .75 15.2 PSB-12M 15MM 15.03-15.05 3750 6460 27.00 28.5 .75 19.6 PSB-15M

Delrin | Self-Align/Press-Fit Bearing I.D. Nominal I.D. Actual Max. Radial Dyn. Load Max. Speed Mount. Hole Flange Dia. Flange Height Brg. Lgth Part No.   min. max. lbf / N r.p.m. A B C D   1/8" .1260-.1280 30 3010 .344 .41 .03 .270 PSD-125 3/16" .1885-.1905 50 2010 .500 .56 .03 .375 PSN-187 1/4" .2510-.2530 70 1520 .500 .56 .03 .375 PSD-250 5/16" .3135-.3155 120 1220 .625 .69 .03 .430 PSD-312 3/8" .3760-.3780 190 1010 .625 .69 .03 .430 PSD-375 1/2" .5010-.5040 320 760 .812 .88 .03 .600 PSD-500 5/8" .6260-.6280 450 610 1.063 1.12 .03 .770 PSD-625 4MM 4.02-4.07 150 2430 12.70 14.2 .75 9.6 PSD-4M 6MM 6.02-6.07 270 1620 12.70 14.2 .75 9.6 PSD-6M 8MM 8.03-8.08 530 1210 15.90 17.4 .75 10.8 PSD-8M 10MM 10.03-10.08 860 970 15.90 17.4 .75 10.8 PSD-10M 12MM 12.03-12.08 1330 810 20.60 22.2 .75 14.9 PSD-12M 15MM 15.03-15.08 1870 650 27.00 28.5 .75 19.6 PSD-15M

More Information:
Press-Fit Overview
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