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Delrin Specifications

Spyraflo Delrin and Delrin-AF Bearings are manufactured from an Acetal Polymer resin. The Delrin Bearing material has distinct characteristics giving excellent bearing performance where self-lubrication, zero maintenance and low coefficient of dynamic friction are a requirement. The AF Delrin Bearing option has the added benefit of additional Teflon lubrication within the resin to further reduce static friction and increase bearing speed capability.
 
Delrin Bearing Features:

  • Medium Speed, Light Load
  • Suitable for Rotational, Oscillatory and Linear Motion
  • Lightweight
  • FDA approved material

Delrin | Self-Align/Self-Clinch
(To obtain the Stainless Steel CAD drawing, you can either download the corresponding Steel Model,
or request the actual drawing by email. sales@spyraflo.com)
Nominal I.D. I.D.
Actual
Max. Radial Dyn. Load Max Speed Panel
Hole
Min,
Panel
Thick
Min. Dist.
C/L to
Edge
Flange
Dia.
Bearing Lgth Part No.
Steel
Part No.
Stainless
Steel
  min. max. lbf / N r.p.m. A B   C D    
3/32" .0940-.0970 20 3980 .234 .04 .19 .28 .19 FSD-093 FSSD-093
1/8" .1260-.1280 30 3010 .297 .04 .22 .34 .23 FSD-125 FSSD-125
3/16" .1885-.1905 50 2010 .375 .04 .25 .42 .28 FSD-187 FSSD-187
1/4" .2510-.2530 70 1520 .375 .04 .25 .42 .28 FSD-250 FSSD-250
5/16" .3135-.3155 120 1220 .547 .06 .41 .60 .39 FSD-312 FSSD-312
3/8" .3760-.3780 190 1010 .625 .06 .45 .67 .45 FSD-375 FSSD-375
1/2" .5010-.5040 320 760 .812 .06 .50 .87 .65 FSD-500 FSSD-500
5/8" .6260-.6280 450 610 1.063 .075 .75 1.11 .77 FSD-625 FSSD-625
3/4" .7510-.7530 640 510 1.250 .09 .75 1.30 .89 FSD-750 FSSD-750
2MM 2.06-2.10 60 4850 5.90 1.0 4.7 7.2 4.9 FSD-2M FSSD-2M
4MM 4.02-4.07 150 2430 7.50 1.0 5.5 8.7 6.0 FSD-4M FSSD-4M
6MM 6.02-6.07 270 1620 9.50 1.0 6.4 10.6 6.9 FSD-6M FSSD-6M
8MM 8.03-8.08 530 1210 13.90 1.5 10.3 15.3 10.0 FSD-8M FSSD-8M
10MM 10.03-10.08 860 970 15.90 1.5 11.5 17.0 11.4 FSD-10M FSSD-10M
12MM 12.03-12.08 1330 810 20.60 1.5 12.7 22.0 16.5 FSD-12M FSSD-12M
15MM 15.03-15.08 1870 650 27.00 2.0 19.0 28.0 19.4 FSD-15M FSSD-15M
18MM 18.03-18.08 2680 540 31.80 2.3 19.0 33.0 22.4 FSD-18M FSSD-18M






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 PSD-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






Delrin | Self-Align/Flange-Mount
Bearing I.D. Nominal Bore
Actual
Max. Radial Dyn. Load Max Speed Brng
Clear.
Dia.
Flange
Lgth
Flange
Wdth
Mount.
Hole
Ctrs.
Flange
Thick
Height Hole
Dia.
Part
No.
    lbf / N r.p.m. A B C D E F G  
3/16" .1885-.1905     13/32 1.80 .87 1.21 .05 .28 7/32 BFM-187-A
1/4" .2510-.2530 70 1520 13/32 1.80 .87 1.21 .05 .28 7/32 BFM-250-A
5/16" .3135-.3155 120 1220 19/32 2.10 1.19 1.53 .06 .39 7/32 BFM-312-A
3/8" .3760-.3780 190 1010 21/32 2.10 1.19 1.53 .06 .45 7/32 BFM-375-A
1/2" .5010-.5040 320 760 27/32 2.35 1.43 1.78 .06 .65 7/32 BFM-500-A
5/8" .6260-.6280 450 610 1 3/32 2.35 1.56 1.78 .09 .77 7/32 BFM-625-A
3/4" .7510-.7530 640 510 1 9/32 2.34 1.85 1.78 .09 .89 7/32 BFM-750-A
6MM 6.02-6.07 270 1620 11.0 45.0 22.0 31.0 1.2 6.9 5.5 BFM-6M-A
8MM 8.03-8.08 530 1210 17.0 53.0 30.0 39.0 1.6 10.0 5.5 BFM-8M-A
10MM 10.03-10.08 860 970 17.0 53.0 30.0 39.0 1.6 11.4 5.5 BFM-10M-A
12MM 12.03-12.08 1330 810 22.0 60.0 36.5 45.0 1.6 16.5 5.5 BFM-12M-A
15MM 15.03-15.08 1870 650 28.0 60.0 39.7 45.0 2.3 19.4 5.5 BFM-15M-A
18MM 18.03-18.08 2680 540 33.0 60.0 47.0 45.2 2.3 22.4 5.5 BFM-18M-A


More Information:
Delrin Overview