1、LUBRICATING GREASE (HIGH-TEMPERATURE, .ELECTRIC MOTOR, BALL AND ROLLER BEARINGS) L SCOPE 1.l This specification covers high tempera- ture grease (type HTG) for the lubrication of ball and roller bearings only, primarily for . . lubricating class H insulated (silicone) el- tric motors with heat-stabi
2、lized ball bear- ings. Under no circumstances should it be ap plied to bearings in which the main action involves the sliding of metal on metal, as in journal bearings, spiral gears, gear trains, . and similar applications. The nod tem- perature range of the grease ie O“ to 300F. 2 APPLICABLE SPECIF
3、ICATIONS, STAYDAFtDS, DRAWINGS, AND PUBLI- CATIONS 21 The following specifications and stand- ards, of the issue in effect on the date of inribtion for bids, form U part of this specification: SPEClFICATIONS FEDESAL. NN-B-631 -Boxa, Wood, Wb . bound (for Domestic Shipment). Rods, Shapes, Sheets, and
4、 Stripe. Water-Resistant. QWOl -Copper, Bars, Phtes, VU-T-116 “Tape, Paper, Gummed, W-G791 “Lubricants, L i q U i d . Fuels, and Related Products ; Methods LT,tB-631 -Boxes, “Fiber, Cam- ULB-636 “Boxes, Fiber, Solid (for . . of Inspection, Sampling, and Testing. ._ gated (for Domestic Shipment). Dom
5、estic Shipment). MILITARY . . JAN-P-105 “Packaging and Packing for Overseas Shipment-Boxes, Wood,. JAN-P-106 -Packaging and Packing for Overseas Shipment-Boxes, Wmd, Nailed. bound (Overseas Type). . Cleated Plywood. MIGB-107 “Boxes, Wood, W- T-B391 -Boxes,Fiberboard, JAN-P408 -Packaging and Packing
6、Wd-Cleated (for Domestic Ship for Overseas Shipment-Boxes, Fii- ment). board (V-Board and W-Board), R- Plywood, (for Domestic Shipment). JAN-P-138 “Packaging and Packing . and Yk-Comer. Fiberboard-Lined -_ - hY-B401 “Boxes, Wood - Cleated- terior and Interior. hv-%621 “Boxes, Wood, Nailed - for Over
7、seas ShipmendBoxes, Wood, )c334, L4nnapolis, Md. These tests shall consist of the test-s specified in table L 42.1 Sampks.-For qualification kata, a i0-pound sample of vezse and a 1-pint qn- biner of base oid withaut additives will be required. When a manufacturer submits a grease of other Compositi
8、on than that e be reprocessed by the manufa- and may be resubmitted for lot acceptance tests, but only after the- manufacturer bas demonstrated that the cause of failure hss been corrected to the eatisfaction of the fitting housing similar -to that shown on figure 3, so that the radial clearances be
9、tween the inner race and the edge of the housing shall be 0.008 6 , - T :. i .- ._ *L . I “. 0 .- - . . e 0.002 inch. The bearing shall bo dated for approximately 100 revohticem m oath direction at a speed not exceeding rpm. The bearings shall be mounted on a qiimdle such as that shown on figure 3 -
10、 shall have a mini- . -temperature dirrerential between the inner: mum wall thickness of OSNZI inch; and shall and outer races. shall not exceed 20F. The . be furnished with an open-end spou! having outer race temperature shall be controlled -a minimum inside diameter of onequmer OP by regulating th
11、e load on the driving motor. an inch and fitted with a knurled ar i: regu!nr When the outer race temperature is regulated - shaped cap to facilitate opellig. Mer filling, to SOO =L: 9F. by the load on the motor, DO . tubes shall be suitably folded and/or clippctl - further changes in the load shd be
12、 made to prevent leakage. Each tuk sb2ll be fur- . until failure has occurred, except to ;cornpen- nished with a corrugated fiberboard protcc- . ion o? products corered by this specification mq- be obtained from the Chief of the Burc.au c$ Ships, Xary Department, Washington 2 8nd the fact thst tbe G
13、oyem- ment may tare formulated, furaished, or ir; oay WK rupplied the raid draaiap, rpecifications, or other data is not to be regarded by implication or othtdw aa in any nmaner ticensing the holder or any penon or corporation, or eonveying any rights. or pelmission to manufacture, use or sell any p
14、stenw invention that MI in any way -be related tbarets. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-I. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- I 1 , NIL-L-15719A 91 9779906 01009111 4 W W 3 r f Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
