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HOJE Bearings Main prefixes and suffixes

date    2017-10-31

HOJE Bearings Main prefixes and suffixes

HOJE Bearings Main prefixes and suffixes

Prefixes

Internal design

GS

Housing washer of cylindrical roller thrust bearings

K

Cylindrical roller and cage thrust assembly

L

Separable bearing ring, including possible loose lips of separable roller bearings.
Also, separable bearing rings which consist of several parts

R

Bearing ring with rolling element and cage assembly of separable roller bearings
or needle roller bearings

WS

Shaft washer of cylindrical roller thrust bearings

Suffixes

Internal design

A…Z 1…n

Modification code to the bearing. Typically placed at the end of the part number, the meaning of these characters is not specifically fixed (e.g. modified internal design or configuration, special production protocol, application optimized version, filled with non-standard grease or other special feature). The actual modification to the original design is specific to the individual bearing and is provided on the related drawing. Combinations of letters and digits are also used (e.g. AC, A2). Sometimes, this type of suffix is preceded by an oblique stroke (e.g. /4)

E

Optimized internal design with reinforced execution

SP

Special or non-standard bearing

AOB

Application optimized bearing

K

Tapered bore, taper 1:12

K30

Tapered bore, taper 1:30

ZB

Optimized roller profile for improved load distribution. It is not necessarily stated in the bearing code

DB

Two bearings matched for mounting back-to-back

DF

Two bearings matched for mounting face-to-face

DT

Two bearings matched for mounting in tandem

2x…

Pair of two bearings

3x…

Group of three bearings

SET 2x…

Set of two bearings with possible presence of spacers

SET 3x…

Set of three bearings with possible presence of spacers

HB1

Bainite hardened outer and inner ring

HB2

Bainite hardened outer ring

HB3

Bainite hardened inner ring

HB4

Bainite hardened outer and inner ring and rolling elements

HB5

Bainite hardened rolling elements

HB6

Bainite hardened outer ring and rolling elements

HB7

Bainite hardened inner ring and rolling elements

HA1

Case hardened outer and inner ring

HA2

Case hardened outer ring

HA3

Case hardened inner ring

HA4

Case hardened outer and inner ring and rolling elements

HA5

Case hardened rolling elements

HA6

Case hardened outer ring and rolling elements

HA7

Case hardened inner ring and rolling elements

AWT1

Anti-wear treated outer and inner ring

AWT2

Anti-wear treated outer ring

AWT3

Anti-wear treated inner ring

AWT4

Anti-wear treated outer and inner ring and rolling elements

AWT5

Anti-wear treated rolling elements

AWT6

Anti-wear treated outer ring and rolling elements

AWT7

Anti-wear treated inner ring and rolling elements

PT1

Phosphate treated outer and inner ring

PT2

Phosphate treated outer ring

PT3

Phosphate treated inner ring

PT4

Phosphate treated outer and inner ring and rolling elements

PT5

Phosphate treated rolling elements

PT6

Phosphate treated outer ring and rolling elements

PT7

Phosphate treated inner ring and rolling elements

ACT1

Anti-corrosion treated outer and inner ring

ACT2

Anti-corrosion treated outer ring

ACT3

Anti-corrosion treated inner ring

S0

Bearing rings heat stabilized for operating temperatures up to 150 °C (300°F)

S1

Bearing rings heat stabilized for operating temperatures up to 200 °C (390°F)

S2

Bearing rings heat stabilized for operating temperatures up to 250 °C (480°F)

S3

Bearing rings heat stabilized for operating temperatures up to 300 °C (570°F)

ABEC1

Approximated to tolerance class P0

ABEC2

Approximated to tolerance class P6

ABEC3

Approximated to tolerance class P5

ST

Special tolerance

C1

Radial internal clearance smaller than C2

C2

Radial internal clearance smaller than Normal

CN

Normal radial internal clearance

C3

Radial internal clearance greater than Norma

C4

Radial internal clearance greater than C3

C5

Radial internal clearance greater than C4

C…S

Special radial internal clearance in a given range of the stated class

C…SL

Special radial internal clearance in the lower part of the stated class (e.g. C4SL = radial internal clearance in the lower part of C4)

C…ST

Special radial internal clearance in the upper part of the stated class (e.g. C4ST = radial internal clearance in the upper part of C4)

C…R

Radial internal clearance between upper part of previous class and lower part of the stated class (e.g. C4R = radial internal clearance between upper part of C3 and lower part of C4)

CS

Special radial internal clearance

P0

Dimensional and running accuracy to ISO tolerance class 0

P5

Dimensional and running accuracy to ISO tolerance class 5

P6

Dimensional and running accuracy to ISO tolerance class 6

P6S

Dimensional and running accuracy between P6 and P5

P51

P5 + C1

P52

P5 + C2

P53

P5 + C3

P54

P5 + C4

P55

P5 + C5

P61

P6 + C1

P62

P6 + C2

P63

P6 + C3

P64

P6 + C4

P65

P6 + C5

P62R

P6 + radial internal clearance between upper part of C1and lower part of C2

P63R

P6 + radial internal clearance between upper part of normal and lower part of C3

P64R

P6 + radial internal clearance between upper part of C3 and lower part of C4

P65R

P6 + radial internal clearance between upper part of C4 and lower part of C5

SP

Special precision class

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