Machinery’s Handbook, 31st Edition
Index
2885
B earings
( continued )
B earings
( continued )
plain
lubrication 2479, 2488 materials for 2452, 2488 method of designation 2463, 2464 mounting 2469 precautions 2472 type 2480 needle type 2466–2468 pillow block 2452 plastics 2451 quiet or vibration-free mountings 2472 radial 2490, 2498 radial and axial clearance 2480 radial load 2490 rating life 2489, 2491 reliability 2493 seating fits for 2472 selection 2478, 2479 self-aligning 2449 shaft and housing fits for 2472, 2477 metric radial 2461–2463 soft metal and resilient housings 2471 special or unconventional types of 2451 spherical roller 2448 squareness and alignment 2470 static equivalent loads 2497–2498
positive contact 2399 press or shrink fit 2398 pressure 2395 pressure lubrication 2401 pressure profile 2406 retaining methods 2398 rubbing seals 2399 sealing methods 2398 sleeve 2405 solid lubricants 2404 splash lubrication 2401 static seals 2400 surface finish and hardness 2400 three-lobe 2395 types 2393–2396 viscosity temperature chart 2403 waste pack lubrication 2402
porous 2440 retention
dowel pin 2399 housing cap 2399 set screws 2398 Woodruff key 2399
roller 2444–2498
static load criterion 2483 stress concentrations 2488
ABEC and RBEC tolerances 2464 alignment and squareness 2470 allowance for axial displacement 2461
symbols 2445 tapered 2448
barrel roller 2447 barrel type 2451
thrust 2448, 2449, 2459, 2491 tolerances for 2453, 2454–2461
bearing closures 2477 cage materials 2452 clamping and retaining methods 2472 closures 2477 cylindrical type 2447, 2451 deficiencies 2482 design and installation considerations 2461 designation of 2452, 2464 failures 2482 fatigue life 2482 fits 2472, 2477 housing bore tolerances 2464–2465 housings, soft metal and resilient 2471 internal clearance 2488 life 2482 adjustment factors 2493 criterion 2482 load ratings 2482 location and seating 2469–2477 locknuts and shafts 2474–2476 lock washers 2473 flanged housing 2452 friction losses in 2477 handling precautions 2481 high-speed effects 2488
torque, starting 2478 types of 2447, 2488
roller thrust 2449 sleeve 2404 spacing and shaft stiffness 2259 tapered
land thrust bearing 2417, 2426, 2431 roller bearings 2448 roller thrust bearings 2448
thrust bearing 2417, 2449 ball 2449 symbols 2447 design notation 2418
flat plate design 2417, 2419, 2424 depth of chamber 2421 film flow 2420 flow per chamber 2421 friction power loss 2420 kinetic energy correction 2421
length of pad 2420 number of pad 2420 pitch line velocity 2420 radial pad width 2420 required oil flow 2420
flat plate type 2423
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