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Pillow Block Bearing: a Grey-Iron Housing Bored for a Ball Bearing
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Forge

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Forge

19. Oktoba 2026NO
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Pillow Block Bearing: a Grey-Iron Housing Bored for a Ball Bearing

A pillow block holds a shaft in a bearing parallel to the surface it is bolted to. Heavy housings are commonly grey cast iron, the bearing is usually 52100 steel, and the shaft is held with set screws or collars (Wikipedia, Pillow block bearing). This one is a housing cast in grey iron, bored on the lathe and fitted with a ball bearing, for an 8 mm shaft. Design and sizes are ours. The picture: our drawing.
Juu
2 days

Maagizo

1

Make the pattern

From pine, make a pattern: a flat base 90 × 25 mm with a lug at each end, and a round boss rising from its middle about 40 mm across, its axis parallel to the base. Allow a little extra on the boss for boring, and taper all sides so it draws.

Zana zinazohitajika:

Ubao wa msonobariUbao wa msonobari
Msumeno wa kukata mikunjoMsumeno wa kukata mikunjo
Seti ya patasi za mtiSeti ya patasi za mti
Kipima-unene cha dijitali cha inchi 6Kipima-unene cha dijitali cha inchi 6
2

Melt the iron

Melting pig iron in the cupola and tapping it into the ladle.
3

Mould and pour

Ram the pattern up in the flask, draw it, cut a sprue and runner, and pour grey iron from the ladle. Let it cool in the sand, then shake it out and grind off the sprue and fins.

Vifaa kwa hatua hii:

Vitalu vya chuma ghafiVitalu vya chuma ghafi1.5 kg

Zana zinazohitajika:

Mchanga wa kusubuMchanga wa kusubu
Sanduku la kuundiaSanduku la kuundia
Mwiko mdogo wa bustaniMwiko mdogo wa bustani
Upawa wa kusubu chumaUpawa wa kusubu chuma
Kisaga cha pembeKisaga cha pembe
Glavu za kulehemuGlavu za kulehemu
Aproni ya NgoziAproni ya Ngozi
Ngao ya UsoNgao ya Uso
4

Face the base and bore

File or grind the base flat. Bolt the housing to the lathe faceplate with the boss's axis on the lathe centre and the base parallel to it, and bore the boss to a light press fit for the ball bearing's outer race.

Zana zinazohitajika:

Kereza ya ChumaKereza ya Chuma
Sahani ya uso ya latheSahani ya uso ya lathe
Fimbo ya kukata ndaniFimbo ya kukata ndani
Kipima-unene cha dijitali cha inchi 6Kipima-unene cha dijitali cha inchi 6
Seti ya tupaSeti ya tupa
Miwani ya usalamaMiwani ya usalama
5

Slot the lugs

Drill and file a slot in each lug for a mounting bolt, square to the base, so the block can be lined up before it is tightened.

Zana zinazohitajika:

Kekee cha NguzoKekee cha Nguzo
Seti ya vichimbuziSeti ya vichimbuzi
Seti ya tupaSeti ya tupa
Kibano cha meza ya kaziKibano cha meza ya kazi
6

Press in the bearing

Press the ball bearing squarely into the bore, pushing on the outer race only. Check the inner race turns freely; the shaft is then held in it with set collars.

Vifaa kwa hatua hii:

Fani ya MipiraFani ya Mipira1 kipande

Zana zinazohitajika:

Kibano cha meza ya kaziKibano cha meza ya kazi
Nyundo yenye kichwa cha msalabaNyundo yenye kichwa cha msalaba

Vifaa

2
  • 3
    Vitalu vya chuma ghafi
    1.5 kg
    Kishikilia Nafasi
  • 6
    Fani ya Mipira
    1 kipande
    2 vendors sell this, none ship to you yet
    Kishikilia Nafasi

Zana Zinazohitajika

21

Mchoro huu unatengeneza

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Kishikio cha beringi (KP08)

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Blueprint zinazohusiana

Blueprint hizi zinashiriki maarifa — mbinu, vifaa au kanuni

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