Spur Gears - Norfolk Bearings and Supply Company, Inc.
Spur Gears - Norfolk Bearings and Supply Company, Inc.
Spur Gears - Norfolk Bearings and Supply Company, Inc.
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Recommended Operating Limits RULON 641<br />
Temperature — Typical Range °F – 400/+500<br />
Maximum PV (continuous) 10,000<br />
Maximum P — PSI (static) 1,000<br />
Maximum V — SFM (no load) 400<br />
Shaft Hardness — Minimum RB25<br />
Shaft Finish Recommended RMS 8 – 16<br />
Mild Steel, 303<br />
+316 Stainless Steel<br />
RULON 641 <strong>Bearings</strong><br />
Applications<br />
RULON 641 bearings are perfect for use in machinery <strong>and</strong> equipment in the following areas:<br />
• Prepared meat products<br />
• Medicinal chemicals<br />
• Coffee<br />
• Frozen foods<br />
• Pharmaceutical preparations • Food preparations<br />
• Cookies <strong>and</strong> crackers<br />
• Soaps <strong>and</strong> detergents<br />
• Biological products<br />
• C<strong>and</strong>y<br />
• Perfumes <strong>and</strong> cosmetics<br />
• Food process machinery<br />
• Animal <strong>and</strong> marine fats <strong>and</strong> oils • Food-related packing <strong>and</strong> sealing • Vending machines<br />
• Malt beverages<br />
devices<br />
• Household cooking<br />
• Food <strong>and</strong> drug conveyors<br />
equipment <strong>and</strong> appliances<br />
Engineering Information RULON 641<br />
Friction—Static & Dynamic .10–.30<br />
Water Absorption ASTM D570 0%<br />
Flammability ASTM D635 Non-Flammable<br />
Chemical Resistance Inert<br />
Thermal Conductivity BTU/hr/sq. ft/°F/in. 2.60<br />
Linear Coefficient of 78°F–200°F<br />
B -5 3.9 x 10<br />
Thermal Expansion<br />
C -5 4.9 x 10<br />
(-78°F)–(350°F)<br />
B -5 4.2 x 10<br />
C -5 5.7 x 10<br />
Note: B = Bearing Diameter C = Bearing Length<br />
SLEEVE BEARINGS FLANGED BEARINGS<br />
A<br />
–.000<br />
+.002<br />
ID<br />
B<br />
–.000<br />
+.002<br />
OD<br />
Recommended<br />
Housing<br />
Bore*<br />
Recommended<br />
Shaft<br />
Size<br />
C<br />
±.005<br />
Catalog<br />
Number<br />
Item<br />
Code<br />
A B Recommended<br />
–.000 –.000 Housing<br />
+.002 +.002 Bore*<br />
Recommended<br />
Shaft<br />
Size<br />
C<br />
Lgth.<br />
±.005<br />
Flange<br />
D E Catalog<br />
±.005 ±.003 Number<br />
Item<br />
Code<br />
1/4<br />
.254<br />
3/8<br />
.376<br />
.375/.374 .2500/.2490<br />
.250<br />
.375<br />
RP46-2<br />
RP46-3<br />
56790<br />
56791<br />
1/4<br />
.254<br />
3/8<br />
.376<br />
.375/.374 .2500/.2490 .500 .500 .062 RFP46-4 56802<br />
3/8<br />
.379<br />
9/16<br />
.563<br />
.562/.561 .3750/.3740 .375 RP69-3 56792<br />
3/8<br />
.379<br />
5/8<br />
.626<br />
.625/.624 .3750/.3740 .500 .875 .125 RFP610-4 56803<br />
1/2<br />
.504<br />
3/4<br />
.751<br />
.750/.749 .5000/.4990 .500 RP812-4 56793<br />
1/2<br />
.504<br />
3/4<br />
.751<br />
.750/.749 .5000/.4990 1.000 1.000 .125 RFP812-8 56804<br />
5/8<br />
.630<br />
7/8<br />
.876<br />
.875/.874 .6250/.6240 .625<br />
RP1014-5<br />
RP1014-8<br />
56794<br />
56795<br />
5/8<br />
.630<br />
7/8<br />
.876<br />
.875/.874 .6250/.6240 1.000 1.000 .125 RFP1014-8 56805<br />
3/4<br />
.755<br />
1<br />
1.001<br />
1.000/.999 .7500/.7490<br />
.750<br />
1.500<br />
RP1216-6<br />
RP1216-12<br />
56796<br />
56797<br />
3/4<br />
.755<br />
1<br />
1.001<br />
1.000/.999 .7500/.7490 1.000 1.250 .125 RFP1216-8 56817<br />
1<br />
1.005<br />
1-1/4<br />
1.251<br />
1.250/1.249 1.000/.9990<br />
1.000<br />
1.500<br />
RP1620-8<br />
RP1620-12<br />
56798<br />
56799<br />
1-1/4<br />
1.255<br />
1-1/2<br />
1.501<br />
1.500/1.499 1.250/1.249 2.000 RP2024-16 56800<br />
B A<br />
D<br />
1-1/2<br />
1.506<br />
1-3/4<br />
1.751<br />
1.750/1.749 1.500/1.499 2.000 RP2428-16 56801<br />
E<br />
Other Shapes<br />
Available On<br />
Special Order<br />
B A<br />
PLATES CORED BARS<br />
*Press fit. .004/.001 Note: On A <strong>and</strong> B dimensions, tolerances apply to actual (decimal) dimensions.<br />
C<br />
SOLID BARS<br />
B St<strong>and</strong>ard Approx. Catalog Item<br />
(Dia.) Tolerances Wt.Lbs. Number Code<br />
1/2<br />
.504<br />
–.000-/+.015 .233 RSP-8 56786<br />
3/4<br />
.755<br />
–.000/+.015 .503 RSP-12 56787<br />
1<br />
1.005<br />
–.000/+.020 .878 RSP-16 56788<br />
All Bars are 13" long<br />
Other Diameters <strong>and</strong> longer lengths are available<br />
on special order.<br />
P-1930-BG 04/10 Boston Gear 800-825-6544 159<br />
B<br />
C<br />
F
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