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Ball & Roller Bearings
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Catalog excerpts

Ball & Roller Bearings - 1

Ball & Roller Bearings Ball & Roller Bearings Ball & Roller Bearings

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Ball & Roller Bearings - 2

1 Structures and types ⋅⋅⋅⋅ A 1 4 Selection of arrangement ⋅⋅⋅⋅⋅⋅⋅⋅ A 20 10 Internal ⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅ A 99 clearance 2 Outline of selection ⋅⋅⋅⋅⋅⋅⋅ A 14 5 Selection of dimensions ⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅ A 24 8 Limiting speed ⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅ A 84 ⋅⋅⋅⋅⋅⋅⋅⋅ A 133 14 Shaft and housing design 3 Selection of type ⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅ A 16 6 Boundary dimensions ⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅⋅ A 52 and bearing numbers Locating snap ring type ⋅⋅⋅ B 32 N NR Extra-small & miniature ⋅⋅⋅ B 40 (flanged type ⋅⋅⋅ B 46) Technical section Deep groove ball Angular contact ball bearings Extended inner ring type ⋅⋅⋅ B 134 Self-aligning ball...

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Ball & Roller Bearings - 3

BALL & ROLLER BEARINGS

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Ball & Roller Bearings - 4

Publication of Rolling Bearing Catalog Today’s technology-based society, in order to utilize the earth’s limited resources effectively and protect the environment, must strive to develop new technologies and alternate energy sources, and in that connection it continues to pursue new targets in various fields. To achieve such targets, technically advanced and highly functional rolling bearings with significantly greater compactness, lighter weight, longer life and lower friction as well as higher reliability during use in special environments are sought. This new-edition catalog is based on...

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Ball & Roller Bearings - 5

Contents Technical section Rolling bearing structures and types Bearing fits [Introduction of products, pamphlets and catalogs] Outline of bearing selection Selection of bearing type Selection of bearing arrangement Selection of bearing dimentions [Standard bearings] Supplementary tables

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Ball & Roller Bearings - 6

1. Rolling bearing structures and types 1-1 2) Rolling element Rolling elements may be either balls or rollers. Many types of bearings with various shapes of rollers are available. Ball Cylindrical roller (LW ² 3 DW)* Rolling bearings (bearings hereinafter) normally comprise bearing rings, rolling elements and a cage. (see Fig. 1-1) Rolling elements are arranged between inner and outer rings with a cage, which retains the rolling elements in correct relative position, so they do not touch one another. With this structure, a smooth rolling motion is realized during operation. Bearings are...

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Ball & Roller Bearings - 7

1. Rolling bearing structures and types Radial ball bearing Deep groove ball bearing Single-row Angular contact ball bearing Radial bearing Bearings classified by use Double-row Matched pair or stack Four-point contact ball bearing Cylindrical roller bearing Single-row Needle roller bearing Rolling bearing Spherical roller bearing Thrust ball bearing Thrust bearing Thrust roller bearing Integral bearing unit Business equipment Construction equipment Industrial equipment Steel industry equipment Single direction Angular contact thrust ball bearing with aligning seat race Single direction...

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Ball & Roller Bearings - 8

1. Rolling bearing structures and types Deep groove ball bearings Single-row Open type Shielded type Contact sealed type Non-contact sealed type With locating snap ring Flanged type Extremely light contact sealed type Suitable for extra-small or miniature bearing       680, 690, 600, 620, 630, (ML) ⋅⋅⋅Extra-small, miniature bearing 6700, 6800, 6900, 16000, 6000, 6200, 6300, 6400 n he most popular types among rolling bearings, T widely used in a variety of industries. n adial load and axial load in both directions can R be accommodated. With pressed cage B n earings with a flange or locating...

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Ball & Roller Bearings - 9

1. Rolling bearing structures and types Four-point contact ball bearings One-piece type Two-piece inner ring Two-piece outer ring Self-aligning ball bearings Tapered bore n Radial load and axial load in both directions can be accommodated. n Spherical outer ring raceway allows selfalignment, accommodating shaft or housing deflection and misaligned mounting conditions. n A four-point contact ball bearing can substitute for a face-to-face or back-to-back arrangement of angular contact ball bearings. n Tapered bore design can be mounted readily using an adapter. n Suitable for use under pure...

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Ball & Roller Bearings - 10

1. Rolling bearing structures and types Machined ring needle roller bearings With inner ring Without inner ring With inner ring Without inner ring n In spite of their basic structure, which is the same as that of NU type cylindrical roller bearings, bearings with minimum ring sections offer space savings and greater resistance to radial load, by using needle rollers. n Bearings with no inner rings function using heat treated and ground shafts as their raceway surface. [Recommended cage] Pressed cage [Main applications] utomobile engines, transmissions, pumps, power shovel wheel drums,...

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Ball & Roller Bearings - 11

1. Rolling bearing structures and types Spherical roller bearings Cylindrical bore Convex asymmetrical roller type Tapered bore n With the bearing designed such that the circular arc center of the outer ring raceway matches with the bearing center, the bearing is self-aligning, insensitive to errors of alignment of the shaft relative to the housing, and to shaft bending. n This type can accommodate radial load and axial load in both directions, which makes it especially suitable for applications in which heavy load or impact load is applied. n The tapered bore type can be easily mounted/...

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Ball & Roller Bearings - 12

1. Rolling bearing structures and types Cylindrical roller thrust bearings Needle roller thrust bearings Single direction n The non-separable type comprises needle roller and cage thrust assembly and a precision pressed race. n Axial load can be accommodated in one direction. n Axial load can be accommodated in one direction. n Great axial load resistance and high axial rigidity are provided. Tapered roller thrust bearings Single direction n The separable type, comprising needle roller and cage thrust assembly and a race, can be matched with a pressed thin race (AS) or machined thick race...

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