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Ball Bearing Units
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Catalog excerpts

Ball Bearing Units - 1

BALL BEARING UNITS • General Bearings • BALL BEARING UNITS BALL BEARING UNITS CAT. NO. B2007E-1 Printed in Japan '12.06-1CDS ('09.09)

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Ball Bearing Units - 2

Ball Bearing Units (contents) Technical section Supplementary table 2 Tightening torques of mounting bolts for housing and 3 Tightening torques of set screws for inner ring and 5 Machining dimensions of holes for housing dowel pins ... 258 6 Shaft tolerances (deviation from nominal dimensions) ... 260 7 Housing bore tolerances 11 Hexagon socket head cap screws Technical section Pillow block type Square-flanged type Oval flange type Round-flanged type with spigot joint Pressed steel flange type Take-up type Cartridge type Hanger type Ball bearings for units Supplementary table

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Ball Bearing Units - 3

BALL BEARING UNITS Value & Technology

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Ball Bearing Units - 5

New Koyo Ball Bearing Units Catalog In recent years, needs in industrial world for machineries and equipment highly developed in all aspects have been increased more than ever. Therefore, high technology covering from superior technical advantages including longer service life and maintenance free to higher reliability even under extraordinary conditions such as high and low temperatures and rotation at a high speed is required for ball bearing units. This catalog completely includes results of technical examinations and abundant research and In the first half of this catalog, technical...

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Ball Bearing Units - 6

Ball Bearing Units Technical section 3.3 Selection from a maintenance 5.4 Basic static load rating and 6 Allowable rotational speed 6.2 Correction of allowable rotational speed 7 Operating temperature and bearing 9 Design of shaft and base 9.3 Machining dimensions of holes for 11 Tolerances and internal clearance 13.3 Dustproof and waterproof performance ... 60

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Ball Bearing Units - 7

Unit specification table 1 Pillow block type 3 Oval flange type 5 Pressed steel flange type 16.3 Nominal number and dimensions of 16.4 Nominal number and dimensions of 2 Tightening torques of mounting bolts for 3 Tightening torques of set screws for 4 Tightening torques of adapter lock nuts 5 Machining dimensions of holes for 7 Housing bore tolerances 10 Mechanical properties of metal materials 11 Hexagon socket head cap screws 12 Hexagon head bolts 13 Hexagon head nuts

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Ball Bearing Units - 9

Koyo Ball Bearing Units are highly precise bearing units comprising grease sealed deep groove ball bearings and housings In various forms. The ball bearing units allow easy handling and Installation by followings: direct installation to machines and equipment with some bolts, self-aligning, Koyo Ball Bearing Unit comprises the ball bearing for unit with spherical outside surface and the housing with spheri- Grease hole Hexagon socket set screw Housing (pillow block type) Grease nipple Outer ring with spherical outside surface Triple-lip seal unit Triple-lip seal Fig. 1.1 Structure of ball...

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Ball Bearing Units - 10

Koyo Ball Bearing Units, having many features, are available In various types. Select the bearing unit optimal for your purpose among the types with unique features. 1 Supreme load capacity and accuracy Koyo Ball Bearings for bearing unit, featuring the internal structure identical to single row deep groove ball bearings, bear axial load In both directions, as well as great radial load. The tolerance is equal to that of an standard bearing. They feature high rotation accuracy and high speed rotation. 2 Rational self aligning mechanism and optimal fit Koyo Ball Bearing Units have self...

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Ball Bearing Units - 11

Because of the grease nipple on the housing of Koyo Ball Bearing Unit, fresh grease can be easily supplied to the bearing being operated. If the bearing is used in severe environments that are exposed to many dusts or high humidity or that is high temperture, supply fresh grease at a regular interval. Then, the lubrication status of the bearing is kept to the best, and the service life of When greasing to the bearing unit with the centralized lubricating system, use the socket for lubricating Installed to the grease nipple tapped hole on the housing. 5 Highly rigid and strong housing Koyo...

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Ball Bearing Units - 12

2.1 Type list Table 2.1 and Table 2.2 show the types of Koyo Bail Bearing Units and ball bearing for unit. Koyo Ball Bearing Units are available In various types. Table 2.1 Koyo Ball Bearing Units types

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Ball Bearing Units - 13

Table 2.1 Koyo Ball Bearing Units types (continued) Table 2.2 Types of ball bearing for Koyo Ball Bearing Unit

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Ball Bearing Units - 14

Koyo Ball Bearing Units are available in various types by combinations of bearings and housings. Types and features of the Ball Bearing Units are shown Remark) Descriptions of codes for unit with cover are shown in the table below, (common to all the types) 1 Pillow block type units 1 Pillow block type units Cylindrical bore (with set screws)...Bearing UC2 (X, 3) series UCP2 (X, 3) : Standard type, L3 : Triple-lip seal type, C, CD (FC, FCD) : Pressed steel cover type or cast iron cover type UCP2 (3) SC : Cast steel housing, L3 : Triple-lip seal type, C, CD (FC, FCD) : Cast iron cover type...

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Ball Bearing Units - 15

3 Tapped-base pillow block type unit Cylindrical bore (with set screws)...Bearing UC2 series are used. UCPA2 : Standard type, L3 : Triple-lip seal type This pillow block type unit is designed so that the mounting space is reduced. It is installed to machines with the two tapped holes on the housing mounting bottom. Applications : Roller conveyor, purpose with small mounting 4 Higher centerheight pillow block type unit Cylindrical bore (with set screws)...Bearing UC2 series are used. UCPH2 : Standard type, L3 : Triple-lip seal type This unit, designed as the higher centerheight pillow block...

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Ball Bearing Units - 16

(1 Pillow block type units) 7 Stainless-series pillow block type units Cylindrical bore (with set screws) Standard...Bearing UC2-S6 series are used. C, CD : Pressed stainless steel cover type Tapped base...Bearing UC2-S6 series are used. C, CD : Pressed stainless steel cover type Compact...Bearing SU0-S6 series are used. C, CD : Pressed stainless steel cover type This superior anticorrosion pillow block type unit comprises the bearing and housing made of stainless steel. The unit is thinner than standard UCP series units, leading to downsizing of machinery. The housing can be installed to...

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