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Ref. No.: ISO/R 104-1988 (E)
IS0
I NT ERN AT I ON AL
ORGAN I Z AT I O N FOR STAND A RD I ZATl O N
IS0 RECOMMENDATION
R 104
ROLLING BEARINGS
THRUST BEARINGS WITH FLAT SEATS
BOUNDARY DIMENSIONS
2nd EDITION
December 1966
This second edition supersedes section 5 of IS0 Recommendation R 15-1955 and section 2 of ISO/Recom-
mendation R 104-1959. Section 1 of IS0 Recommendation R 104-1959 will be replaced by IS0 Recom-
mendation R . ., Radial Bearings - Boundary Dimensions - General Plan (at present Draft IS0
Recommendation No. 358).
COPYR OHT RESER rED
The copyright of IS0 Recommendations and IS0 Standards
belongs to IS0 Member Bodies. Reproduction of these
documents, in any country, may be authorized therefore only
by the national standards organization of that country, being
a member of ISO.
For each individual country the only valid standard is the national standard of that country.
Printed in Switzerland
Copies to be obtained through the national standards organizations.
Also issued in French and Russian.
.
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BRIEF HISTORY
The IS0 Recommendation R 104 (2"d Edition), Rolling Bearings - Thrust Bearings with
Flat Seats - Boundary Dimensions, was drawn up by Technical Committee ISO/TC 4, Rolling
Bearings, the Secretariat of which is held by the Sveriges Standardiseringskommission (SIS).
Work on this question by the Technical Committee began in 1958 and led, in 1963, to
the adoption of a Draft revision of Recommendation ISO/R 104-1959 section 2 and to the
adoption of Draft IS0 Recommendation (No. 361) concerning revision of Recommendation
0 \
ISO/R 15-1955 section 5.
In March 1963, this Draft IS0 Recommendation (No. 361) was circulated to all the IS0
Member Bodies for enquiry. It was approved, subject to a few modifications of an editorial
nature, by the following Member Bodies :
Australia Greece Sweden
Hungary Switzerland
Austria
India Turkey
Belgium
Brazil Italy United Kingdom
Canada Japan U.S.A.
Chile Netherlands U.S.S.R.
Czechoslovakia Poland Yugoslavia
France Romania
Germany Spain
No Member Body opposed the approval of the Draft.
8
The Draft IS0 Recommendation was then submitted by correspondence to the IS0 Council,
which decided, in December 1966, to accept it as an IS0 RECOMMENDATION.
This IS0 Recommendation supersedes section 5 of IS0 Recommendation R 15-1955,
Ball and Roller Bearings, and section 2 of IS0 Recommendation R 104-1959, Ball and Roller
Bearings - Boundary Dimensions.
-3-
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ISO/R 104 . l%lW [t]
CONTENTS
Page
7
1 . Single-direction thrust bearings with flat seats : General Plan .
1.1 Introduction . 7
1.2 Numerically determined nominal boundary dimensions . 9-14
I . 2.1 Diameter series O . 9
1.2.2 Diameter series 1 . 10
1.2.3 Diameter series 2 . 11
1.2.4 Diameter series 3 . 12
1.2.5 Diameter series 4 . 13
5 . 14
1.2.6 Diameter series
15
1.3 General rules for the extension of the Plan .
2 . Double-direction thrust bearings with flat seats . 17
2.1 Diameter series 2 . Dimension series 22 . 18
2.2 Diameter series 3 . Dimension series 23 . 18
. Dimension series 24 . 19
2.3 Diameter series 4
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ISO/R fO4 - lM6 (E)
IS0 Recommendation R 104 Decem ber 1966
ROLLING BEARINGS
THRUST BEARINGS WITH FLAT SEATS
BOUNDARY DIMENSIONS
1. SINGLE DIRECTION THRUST BEARINGS WITH FLAT SEATS
GI?,NF,RAL PLAN
1.1 Introduction
1.1.1
The object of the General Plan is to reduce the number of thrust bearing sizes enough
to afford economic production and yet to provide a sufficient number of sizes to satisfy
present and future needs of bearing users. These needs are very comprehensive and
varying. Therefore the Plan should embrace a wide range of numerically determined
sizes and proportions and may even be extended by ISO, in accordance with the general
rules given below.
1.1.2 The General Plan should be considered as a guide for the national standardizing
organizations. National standards can with advantage cover a restricted range of
sizes, but refer to this IS0 Recommendation as the rational source of any extension.
Especially, when standardizing sizes of particular bearing types, the national organiza-
tions should very carefully consider their standard with a view to keeping the number
of bearing sizes as small as compatible with a good overall national economy, and
excluding sizes not manufactured and not required for the time being.
Bearing manufacturers should select from the national standard the sizes and propor-
tions appropriates to the bearing type and the purpose under consideration. Bearing
users should select bearing types and sizes from the manufacturers specifications,
giving preference to bearings whose dimensions conform to the national standard. As
all bearings may not be in current production at any particular time, it is advisable
for user designers to approach bearing manufacturers during the early stages of design
for information regarding the availability of the bearings.
1.1.3 The General Plan comprises:
(U) Numerically determined nominal boundary dimensions (see clause 1.2, pages 9 to 14),
(b) General rules for the extension of the Plan (see clause 1.3, page 15).
The General Plan does not contain any directions pertaining to the internal design of
bearings or any indication as to the availability of bearings.
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E
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ISO/R 104 - 1886 (E)
t
D
O
Fro. 1
d = bore diameter of shaft washer
D = outside diameter of housing washer
H = bearing height
r = chamfer dimension of bore corner of shaft washer and outside corner of housing washer
r = nominal chamfer dimension *
O
* Nominal chamfer dimensions do not control the shape of the bearing corner, i.e. the profile of the bearing corner created
by the chamfering or rounding-off.
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ISO/R 104 - 1966 (E)
1.2 Numerically determined nominal boundary dimensions
1.2.1 Diameter series O
Dimensions in millimetres
-
~
Dimension series
Dimension series
Bore Outside Chamfer Bore
Outside Zhamfer
G-pqT 70 I 90 I 10
diameter Iiameter
diameter diameter
r nomi- r nomi-
d D
d D
nal nal
Height
Height
H
- - -
- - - - -
12
4 4 6 O. 5 360 400 18 24 30
1.5
6 16 5
7 0.5 380 420 18 24 30 1.5
8 18 5 7
0.5 400 440 18 24 30 1.5
20
10 5 7 0.5 420 460 18 24 30 1.5
12 22 5
7 O. 5 440 480 18 24 30 1.5
15 26 5
7 O. 5 460 500 18 24 30 1.5
17 28 5 7 0.5 480 18 24
520 30 1.5
32
20 6 8 0.5 500 540 18 24 30 1.5
25 37 6
8 O. 5 530 580 23 30 38 2
30 42 6 8 O. 5 560 610 23 30 38
2
47
35 6 8 0.5 600 23 30 38 2
650
52
40 6 9 O. 5 630 680 23 30 38 2
45 60 7 10 670
0.5 730 27 36 45 2.5
65
50 7 10 0.5 710 780 32 42 53
2.5
70
55 7 10 0.5 750 820 32 42 53 2.5
75
60 7 10 0.5 800 870 32 42 53 2.5
80
65 7 10 O. 5 850 920 32 42 53 2.5
70 85 7 10 O. 5 900 980 36 48 63 3
90
75 7 10 0.5 950 1030 36 48 63 3
95 7 1000 41 70
80 10 0.5 1 O90 54 3.5
100 7 1060 41 70
85 10 0.5 1150 54 3.5
90 105 7 10 1120 1220 45 60 80 3.5
O. 5
100 120 9 14 1180 1280 45 60 80 3.5
1
130 1250 85
110 9 14 1 1360 50 67 4
- -
140 1320 1440 95 4
120 9 14 1
- -
150 9 1 1400 1520 95 4
130 14
-
160
140 9 14 1 1500 1630 105 5
- -
170 1730 105 5
150 9 14 1 1600
- -
180 9 1 1700 1840 112 5
160 14
- -
120
170 190 9 14 1 1800 1950 5
- -
200 1900 130 6
9 14 1 2060
180
- -
215 2000 2160 130 6
190 11 17 1.5
- -
140 6
225 1.5 2120 2300
200 11 17
- -
2240 150 6
250 14 22 1.5 2430
220
-
270 1.5 2360 2550 150 6
240 14 22
- -
160 6
290 1.5 2500 2700
260 14 22
310 1.5
280 14 22
340 30 1.5
300 18
360 1.5
18 30
320
380 30 1.5
340 18
- -
- - - -
- -
- -
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ISO/R 104 - 1968 (E)
1.2.2 Diameter series I
Dimensions in millimetres
- - -
-
Dimension series Dimension series
Bore Outside :hamfer Bore Outside :hamfer
71 I 91 I 11 71 I 91 I 11
liameter liameter diameter ilameter
* nomi- nomi-
D d D
d nal nal
Height Height
H
7 - - - - .I--i- - -
-
24 6 9 O. 5 320 400 36 48 63 3
10
3
26 6 9 O. 5 340 420 36 48 64
12
360 440 36 48 65 3
15 28 6 9 O. 5
6 9 O. 5 380 460 36 48 65 3
17 30
48 65 3
35 7 10 O. 5 400 480 36
20
65
8 11 1 420 500 36 48 3
25 42
540 45 60 80 3.5
47 8 11 1 440
30
560 45 60 80 3.5
35 52 8 12 1 460
0
60 80 3.5
9 13 1 480 580 45
40 60
600 45 60 80 3.5
45 65 9 14 1 500
67 85 4
9 14 1 530 640 50
JO 70
50 67 85 4
78 10 16 1 560 670
55
67 4
600 710 50 85
60 85 11 17 1.5
73 95 4
18 1.5 630 750 54
65 90 11
800 58 78 105 5
11 18 1.5 670
70 95
19 1.5 710 850 63 85 112 5
75 100 11
900 90 120 5
19 1.5 750 67
80 105 11
950 67 90 120 5
85 110 11 19 1.5 800
90 120 5
850 1000 67
90 120 14 22 1.5
1060 73 95 130 6
1.5 900
100 135 16 25
950 1120 78 103 135 6
110 145 16 25 1.5
109 140
1000 1180 82 6
120 155 16 25 1.5
1250 85 115 150 6
130 170 18 30 1.5 1060
0
1120 1320 90 122 160 6
140 180 18 31 1.5
132 175 8
31 1.5 1180 1400 100
150 190 18
- -
175 8
1460
160 200 18 31 1.5 1250
- -
175 8
34 2 1320 1540
170 21 5 20
-
-
1630 180 8
34 2 1400
180 225 20
- -
195 8
1500 1750
190 240 23 37 2
- -
195 8
37 2 1600 1850
200 250 23
- -
212 10
2 1700 1970
220 270 23 37
- -
10
2080 220
45 2.5 1800
240 300 27
-
-
220 10
2180
27 45 2.5 1900
260 320
- -
236 10
2.5 2000 2300
350 32 53
280
- -
243 IO
2430
62 3 2120
300 380 36
- -
2570 258 12
2240
-
-
265 12
2700
2360
- -
12
272
2500 2850
-
L -
-
-
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ISO/R 104 - 1986 (E)
1.2.3 Diameter series 2
Dimensions in millimetres
-
Dimension series Dimension series
Bore Dutside zhamfer Bore Outside Zhamfer
72 I 92 1 12 72 I 92 1 12
liameter liameter diameter liameter
r nomi- r nomi-
d D nal d D
nal
Height Height
H H
_I - - - -
- - -
-
4 16 6 8 O. 5 180 250 32 42 56 2.5
-
48
6 20 6 9 0.5 190 270 36 62 3
-
6 9 200 36 48 62
8 22
...