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RKB Bearings Production Range
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Catalog excerpts

RKB Bearings Production Range - 1

BEARING INDUSTRIES PRODUCTION RANGE

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RKB Bearings Production Range - 2

BEARING INDUSTRIES Bearings Production Range 2010 The contents of this list are copyright of the publisher Deep groove ball bearings contact ball bearings contact ball bearings roller bearings roller bearings roller bearings roller bearings and matched paired sets roller bearings Four-row taper roller bearings Spherical roller thrust bearings Taper roller thrust bearings Every care has been taken to ensure the accuracy of the information in the present document but no liability can be accepted for any errors and/or omissions contained here, or in case losses and/or damages (direct,...

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RKB Bearings Production Range - 4

RKB is an international manufacturing organization operating in the bearing industry with headquarters in Switzerland. The experience gained over the years has allowed us to achieve outstanding performances, particularly in the production of technological bearings for heavy duty machineries and equipments, where we are recognized by both OEM and MRO/end-users as a preferential supplier within the top world-class manufacturers. Nowadays the direct operations of our Group mainly concern Switzerland, Ireland, China, Italy, Japan, The Netherlands, Belgium, Vietnam and Mexico, with a worldwide...

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RKB Bearings Production Range - 5

Deep groove ball bearings Single row angular contact ball bearings Double row angular contact ball bearings Cylindrical roller bearings Multi row cylindrical roller bearings Spherical roller bearings

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RKB Bearings Production Range - 6

Single row taper roller bearings and matched paired sets Double row taper roller bearings Four-row taper roller bearings Thrust ball and roller bearings Spherical roller thrust bearings Taper roller thrust bearings

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RKB Bearings Production Range - 7

Deep groove ball bearings Non-separable, for operations at high speeds, of simple design and little maintenance, RKB deep groove ball bearings are the most versatile and popular bearings in rolling applications. The internal designs are the Conrad assembly (the majority of the production) and the filling slot assembly (for special applications with cage or with full ball complement). The single row deep groove ball bearings can take radial and double direction axial loads. They have limited abilities to compensate for errors of misalignment. Because of the values, in order to avoid...

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RKB Bearings Production Range - 8

The axial clearance is generally not standardized and depends on the values of the radial clearance, ball size and raceway radius. The cage depends on the bearing series and size; RKB single row deep groove ball bearings are supplied with one of the following designs: ribbon type cage of steel or brass sheet, riveted type of steel or brass sheet and machined brass type centered on balls, inner ring or outer ring. Large size bearings are also available in special executions such as lubrication grooves in the guiding surfaces of machined brass cage (suffix MAS or MBS) and/or one notch in the...

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RKB Bearings Production Range - 9

Single row angular contact ball bearings RKB single row angular contact ball bearings are designed to accommodate combined loads acting in radial and axial direction. They can take axial loads in one direction only. When radially loaded, in the bearing occurs an axially acting load which has to be compensated. For this reason one bearing or paired bearings are mounted on each shaft end. These bearings are not separable and their use at relatively high speed is allowed. Manufactured in various constructive versions, they can be with different contact angles, depending on the RKB produces two...

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RKB Bearings Production Range - 10

FOUR-POINT ANGULAR CONTACT BALL BEARINGS RKB four-point angular contact ball bearings are single row bearings where the raceway is designed to accommodate significant axial loads in both directions. Generally they have contact angle of either 35° or 45°. They need less axial space than double row or paired angular contact ball bearings. The four-point contact ball bearings have a split two-part inner (bearing designation QJ) or outer (bearing designation Q) ring, allowing a large number of balls to be incorporated, thus providing a high load carrying The bearings are of separable design of...

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RKB Bearings Production Range - 11

Double row angular contact ball bearings RKB double row angular contact ball bearings are equivalent to two single row paired angular contact ball bearings in the arrangement back-to-back or face-to-face. So they can accept radial loads together with axial loads acting in both directions. The width is narrower than the two equivalent single row bearings in pair. The large double row angular contact ball bearings of RKB production range include bearings specially designed for rolling mills (bearing designation series 305 followed by three numbers). The standardized items of the series ISO 32...

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RKB Bearings Production Range - 12

Part number: Outside diameter: Dynamic load carrying capacity: Static load carrying capacity: Rolling Mill Stands/Steel Industry

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RKB Bearings Production Range - 13

Cylindrical roller bearings RKB produces cylindrical roller bearings in various design styles, sizes and dimension series. RKB heavy duty radial cylindrical roller bearings are designed to provide the highest possible radial capacity for the given cross section and to perform under heavy radial loads. These bearings incorporate improved internal proportions developed through computer assisted optimization studies, to make the maximum use of the total available cross-sectional area. The rollers have controlled contour to redistribute end stress concentration and provide more uniform...

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RKB Bearings Production Range - 14

Depending on size and design, the bearings are equipped as standard with one of the following cages: un hardened pressed steel roller centered, one-piece window type brass inner or outer ring centered, two-piece machined brass roller centered (suffix M) or outer ring centered (suffix MA) or inner ring centered (suffix MB) and steel pin-type for pierced rollers. Lubrication grooves in the guiding surfaces of machined brass cages are also available (suffix MAS and MBS). RKB cylindrical roller bearings undergo a special heat treatment of stress relieving which allows them to be operated The...

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RKB Bearings Production Range - 15

Multi row cylindrical roller bearings RKB cylindrical roller bearings with four or six rows have low cross section, high load carrying capacity and stiffness, and are particularly used for metal rolling equipment in mills, where the equipment has been scaled down and jet loads remain high. These bearings are only able to accommodate radial loads, therefore they are mounted together with deep groove or angular contact ball bearings or with taper roller bearings which take up the axial loads. The four-row cylindrical roller bearings are of separable design, which considerably simplifies...

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