National Precision Bearing offers a comprehensive selection of Powdered Metal - SAE841 in Sleeve, Flanged, and Thrust Bearings, in addition to SAE660 Machinable Cast Bronze- Sleeves, and Continuous Cast Bars.
Powdered Metal Bronze – SAE 841
RoHS, REACH, DFARS compliant
Standard stock products available
Vacuum impregnated with SAE 30 oil
Self-lubricating
Ideal for heavy loads at moderate speeds or light loads at high speeds
Effective in temperature range of +10°F to + 175°F with standard oil
Available in oils for other temperature ranges on a made-to-order basis
Standard tolerances vary by size
Cast Metal Bronze – SAE 660
RoHS, REACH, DFARS compliant
Standard stock products available
13” Standard up to 105" Length bars available
Non-porous, highly dense grain structure for long life
Ideal for applications requiring hardness, strength, and wear resistance
Ideal for heavy loads at moderate speeds or light loads at high speeds
Effective in temperature range of -450° F to + 450° F
Common mfg. specs: ASTM B505, QOC-390B Type III B144-52-3B
Additional Alloys Available
SAE850
SAE863
CA220
CA954 H.T.
CA836
CA932 (SAE660)
CA955 (and H.T.)
CA863
CA613
CA903
CA937 (SAE64)
CA936 (mod SAE64)
CA614
CA905
CA464
CA624
CA907
CA510
CA630
CA927
CA544
CA655
CA954
Custom Size and Made-to-Print Available Contact NPB Sales for more information