Open Type Single Row Angular Contact Ball Bearing , Machine Tool Bearing

Open Type Single Row Angular Contact Ball Bearing , Machine Tool Bearing

Angular?Contact?Bearing

Like?other?bearings,angular?contact?ball?bearings?are?also?have?lots?of?structures,single?row?angular?contact?ball?

bearings?can?accommodate?radial?load?and?axial?load?in?single?direction.While?double?row?angular?contact?ball?

bearings?in?DB?or?DF?combination?and?four-point?contact?ball?bearings?can?accommodate?radial?load?and?axial?

load?in?two?directions.Angular?contact?ball?bearings?suit?high-speed?rotation?and?high-precision?rotation.

These?bearings?are?mainly?used?in?the?fields?like?machine?tool?spindles,high?frequency?motors,

oil?pumps,air?compressors,printing?machines,etc.For?four-point?contact?ball?bearings?are?mostly?used?in

?the?roller-boxes?of?rolling?mills?to?carry?axial?load.

Angular?contact?ball?bearings:?

7000C-type?(α?=?15?°),?7000AC-type?(α?=?25?°)?and?7000B?(α?=?40?°)?of?several?types.?The?kinds?of?bearings?in?the?outer?ring?lock?port,?the?general?separation?of?inside?and?outside?the?ring?can?not?be?combined?radial?and?axial?load?and?axial?load?in?one?direction.?Axial?load?capacity?of?the?decision?by?the?contact?angle,?contact?angle?is?greater,?the?ability?to?withstand?high?axial?

loads.?This?kind?of?bearing?shaft?or?housing?to?limit?axial?displacement?in?one?direction.

1?single?row?(open?type)?

70,?72,?73,?718,?719?Series

2?double?row?(open?or?sealed)

50,?52,?53,?54?series,?

32,?33?series

3?Four-point?contact?

QJ?series

1) Single?row?and?combined?angular?contact?ball?bearing

The?more?contact?angle?is,?the?larger?axial?load?bearing?capacity?is,the?smaller?contact?surface?is,themuch?

more?convenient?high?speed?rotary?is.

Pretension?is?made?on?angular?contact?ball?bearing?to?increase?rididity?and?accuracy?of?bearing.

This?bearing?creates?axial?thrust?load?when?being?forced?by?radial?load,thus?it?is?configured(or?combined)?

face?to?face?or?back?to?back.

2) Double?row?angular?contact?ball?bearing

Double?row?angular?contact?ball?bearing?can?be?subinitted?radial?and?acial?louding?limit?speed?is?quite?high,?it?is?non-separated?type?of?bearing?has?high?rigid?can?be?submitted?doubk?direetion?of?axial?load,the?

bearing?could?apply?with?the?four?row?cylindrical?bearing?together?to?limit?the?working?roll?to?move?in?axial?diretion?the?double?row?angular?contact?ball?bearing?could?apply?with?other?bearings?as?a?position?bearing.

3) Four?point?contact?ball?bearing

Standard?structure?is?that?its?inner?ring?is?equally?divided?in?axial?direction,which?is?applicable?to?axial?load?or?combined?load,among?which?acial?load?is?major?composition.

Single?bearing?can?bear?double?row?axial?load?and?certain?extent?radial?load.According?to?different?direction?of?axial?load,ring?and?sphere?always?contact?at?two?points?of?linear