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1、JIS UDC 621.822.6:621.753.2 JAPANESE INDUSTRIAL STANDARD Mounting Dimensions and Fits for Rolling Bearings JIS B 1 5 6 6 - 1 9 8 9 Translated and Published by Japanese Standards Association Printed in Japan 17 S Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=
2、IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/13/2007 21:33:52 MDTNo reproduction or networking permitted without license from IHS -,-,- J I S 8*156b 89 4933608 0010690 4 In the event of any doubt arising, the original Standard in Japanese is to be final authority. . Copyright Japan
3、ese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/13/2007 21:33:52 MDTNo reproduction or networking permitted without license from IHS -,-,- 1 J I S 8*15bb 89 4933b08 001Ob91 b UDC 621.822.6:621.753.2 JAPANESE INDU
4、STRIAL STANDARD J I S Mounting Dimensions and Fits for Rolling Bearings B 1566-1989 1, Scope dimensions ( l ) and fits for rolling bearings (hereafter referred to as the bearings“). This Japanese Industrial Standard specifies the general reference of mounting Note ( I ) The mounting dimensions of be
5、arings mean the dimensions relating to mounting of bearings in shaft and bearing seat of housing and adjoining parts. 2. Definitions For the purpose of this Standard, following definitions apply, and others are in accordance with JIS B 0104 and JIS B 0401. rotating inner ring load relation to the in
6、ner ring of the bearing. A load the line of action of which is rotating in stationary inner ring load rotate in relation to the inner ring of the bearing. A load the line of action of which does not stationary outer ring load rotate in relation to the outer ring of the bearing. A load the line of ac
7、tion of which does not rotating outer ring load relation to the outer ring of the bearing. A load the line of action of which is rotating in indeterminate direction load A load the direction of which cannot be determinated. Remark: A load the direction of which is considered to be rotating or oscill
8、ating in relation to both bearing rings. Applicable Standards: JIS B 0104-Glossary of Terms Relating to Rolling Bearings JIS B 0401-System of Limits and Fits JI S B 15 14-Tolerances for Rolling Bearings JIS B 1552-Tapered Adapters for Rolling Bearings Reference Standards: JIS B 1511-General Code for
9、 Rolling Bearings JIS B 1518-Dynamic Load Ratings and Rating Life for Rolling Bearings Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/13/2007 21:33:52 MDTNo reproduction or networking permitted wi
10、thout license from IHS -,-,- JIS B*356b 89 W 4933608 O030692 8 m 2 B 1566-1989 (6) centric axial load An axial load the line of action of which coincides with the bearing centric axis. (7) composite load A resultant load of the radial load and axial load which works on a bearing. 3. Quantitative Sym
11、bols The main quantitative symbols to be used in this Standard shall be in accordance with the following: d : nominal bearing bore diameter nominal bearing outside diameter nominal dimension of roller circumscribed circle diameter nominal dimension of roller inscribed circle diameter minimum permiss
12、ible chamfer dimension of bearing maximum permissible radius of rounding of corner of shaft and housing height of shoulder of shaft and housing diameter of shoulder of shaft outside diameter of inner ring stopper or the like or diameter of shaft diameter of shoulder of housing inside diameter of out
13、er ring stopper or diameter of shoulder of housing grinding under cut of outer ring back face side in respect to cage of tapered roller bearing grinding under cut of outer ring front face side in respect to cage of tapered roller bearing 4. Mounting Dimensions 4.1 Radius of Rounding of Corners of Sh
14、aft and Housing The maximum permissible radius ( r a s max ) of rounding of the corners of mounting shaft and housing of radial bearing or thrust bearing shall be in accordance with Attached Table 1 corresponding to the minimum permissible chamfer dimension ( r m i n ) of the bearing. Copyright Japa
15、nese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/13/2007 21:33:52 MDTNo reproduction or networking permitted without license from IHS -,-,- J I S B*35bb 89 W 4933b08 0030693 T 3 B 1566-1989 4.2 Diameters of Shoul
16、ders of Shaft and Housing 0 4.2.1 Radial Bearing The minimum value of the diameter (da ) of the shoulder of a shaft to which the radial bearing is mounted shall be the added value of two times the height of shoulder ( h) to the nominal bearing bore diameter (d) of that bearing. The height of shoulde
17、r shall be in accordance with Attached Table 1 corresponding to the minimum permissible chamfer dimension ( .ys min ) of the inner ring of that bearing. In addition, the diameter (Da) of the shoulder of the housing of which maximum value shall be the subtracted value by two times the height of shoul
18、der from the nominal bearing outside diameter (D) of that bearing. shoulder shall be in accordance with Attached Table 1 corresponding to the minimum permissible chamfer dimension ( .ymin ) of the outer ring of that bearing. Remark: The diameters of the shoulders of the shaft and housing shall be th
19、e diameters which have excluded of the chamfer parts of respective shoulders. 1 The height of the 4.2.2 Thrust Bearing The diameter (da.) of the shoulder of a shaft to which the thrust bearing is mounted and the diameter ( D a . ) of the shoulder of a housing shall be in accordance with Attached Tab
20、les 2 and 3. 4.3 Mounting Dimensions for Subunits and Other of Bearing 4.3.1 Cylindrical Roller Bearing In the case where the mounting and dismounting of the subunits ( 2 ) of the separated type cylindrical roller bearing are carried out, the diameter ( di ) of shaft, the outside diameters ( 8 , di)
21、 of inner ring stopper or the like, and the diameter (o,) of the shoulder of housing shall be in accordance with Attached Table 4. Note () The subunits mentioned in this Standard shall be the outer ring with rollers (and cage) which is separable freely from the roller bearing and single body of inne
22、r ring, and the inner ring with rollers (and cage) and single body of outer ring. 4.3.2 Solid Type Needle Roller Bearing In the case of carrying out the mounting and dismounting of the subunit ( 2 ) of separating type solid type needle roller bearing, the outside diameter ( 8 ) of inner ring stopper
23、 shall be in accordance with Attached Table 5. 4.3.3 Tapered Roller Bearing The outside diameter ( d b ) of inner ring arrester, diameter of shoulder of housing ( W ) and inside diameter ( o,) of outer ring stopper for preventing contact of the cage which is protruding from the side face of the oute
24、r ring from the adjoining portions (or parts) shall be in accordance with Attached Table 6. Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/13/2007 21:33:52 MDTNo reproduction or networking permitt
25、ed without license from IHS -,-,- J I S B*L5bb 89 m 4933608 0010b94 L m 4 B 1566-1989 Informative - - Reference 1. Mounting Dimensions of Radial Bearings with Adapters The dimensions A and K in the housing to which a bearing with adapter is mounted and the dimensions - - sb Min.) - 3 3 3 3 4.5 4.5 5
26、 5 6 6.5 7.5 8 8 9 9.5 10.5 10.5 11.5 12.5 12.5 12.5 13.5 - Bearing series - D a Min.) - - - - 47 55 62 71 79 87 94 103 111 118 - - - - - - - - - - 303 D - . Db Min.) - - - - 58.5 68 76.5 86.5 96 105 113 124 133 142 - - - - - - - - - - - d b Max.: - - - 27 32 38 43 50 56 62 68 74 80 86 91 98 102 108
27、 113 121 128 135 145 - Note ( 6 Remark: The larger value than this may be taken as the minimum value. The minimum .value of d a and the maximum value of D a shall be in accordance with 4.2.1. - D a Min.) - - - 43 52 59 66 73 82 90 99 107 117 125 133 142 150 157 166 177 185 198 213 - 323 D b Min.) -
28、- - - 47 57 66 74 82 93 102 111 120 130 140 149 159 167 177 186 200 209 222 239 - - Sa Min.) - - - 3 3 3 3 3 3 3 4 4 4 4 4 4 5 5 5 5 (? 6 P: 6 P: 6 P: - S b Min.) - - - 4 5 5.5 7.5 8 8 9 10.5 11.5 12 12 13 13.5 14.5 14.5 16.5 17.5 18.5 19.5 21.5 - Copyright Japanese Standards Association Provided by
29、 IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/13/2007 21:33:52 MDTNo reproduction or networking permitted without license from IHS -,-,- J I S B*L5bb 89 4933608 OOL0704 O m Grades of bearing . Grade O, grade 6 X, and grade 6 Grade 5 Fit 14 B 1566-
30、1989 Rotating inner ring load or indeterminated direction load Stationary inner ring load Tolerance zone class of shaft (8) r6 p 6 n 6 h 5 f 6 m 6 k 6 js6 h 6 g 6 m 5 k 5 jc5 h 5 g 5 - - - m 5 k 4 js4 h 4 h 5 - - Clearance fit Interference fit Intermediate fit Attached Table 7. Fits of Bearing (Cyli
31、ndrical Hole) Grades of bearing Grade O, grade 6 X, and grade 6 Grade 5 Fit (1) Fit for Inner Ring ( 7, of Radial Bearing Indeterminated direction load or rotating outer ring load Stationary outer ring load Tolerance zone class of hole (8) - Js7 K 7 M 7 N 7 P 7 G7 - H 5 JS5 K 5 - K 5 M5 - - H 7 JS7
32、H 6 JS6 JS6 K 6 M6 N 6 Interference c:e Clearance fit intermediate fit Grades of bearing Grade O, grade 6 Fit (2) Fit for Outer Ring ( 9, of Radial Bearing Composite load (for thrust self-aligning roller indeterminated direction load ring load Centric axial load bearing) (Overall thrust bearings) Ro
33、tating. inner ring lqad or Stationary inner Tolerance zone class of shaft (8) js 6 h 6 n 6 m 6 k 6 js 6 Intermediate fit Inlcrfcrcncc f it Intermediate fit Centric axial load (Overall thrust bearings) I I I IIL Note (9) The permissib!e deviations on bearing outside diameter shall be in accordance wi
34、th JIS B 1514. Composite load (for thrust self-aligning roller bearing) stationary outer. rin load or Rotating outer ring indeterminated direcfion load I load (3) Fit for Inner Ring (7) of Thrust Bearing - H 8 G7 H 7 JS 7 K 7 M7 (4) Fit for Outer Ring (9) of Thrust Bearing Clearance fit Grades of be
35、aring Iiilcrincdialc fil Grade O, grade 6 Fit Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/13/2007 21:33:52 MDTNo reproduction or networking permitted without license from IHS -,-,- J I S B*156b
36、 83 4333608 0010705 2 _ 15 B 1566-1989 Informative Reference Attached Table 1. Mounting Dimensions of Radial Bearings with Adapters Unit: mm Adapter series H 3 H 23 H2 Dimension series Df bearing Dimension series 3f bearing Ti-pT b (Min.) h e n c i o i eries of earing K (Min.) A (Min.) d de . (Min.)
37、 de (Min.) de (Min.) 02 22 I 03 b (Min.) b (Min.) 17 20 25 30 35 40 45 20 25 30 35 40 45 50 55 60 65 75 80 85 90 95 100 110 120 130 140 150 160 170 180 190 200 220 2 4 260 280 - 15 15 17 17 17 19 19 20 21 23 25 27 28 29 30 32 33 34 36 37 39 40 41 43 46 - - - - - 45 50 58 65 72 76 85 90 96 110 120 12
38、8 139 145 150 170 180 190 205 220 230 250 260 270 280 - - - - 23 28 33 38 44 49 53 60 64 70 80 85 90 95 101 106 116 - - - - - - - - - - - - - 24 29 34 39 44 49 54 60 65 70 80 86 91 96 102 107 117 - - - - - - - - - - - - - 24 29 35 4Q 45 50 56 61 66 72 82 87 94 99 105 110 121 131 142 152 163 174 185
39、195 206 216 236 257 278 299 - - - - - - - - - - - - - 18 18 19 17 17 21 22 20 18 18 22 21 20 11 6 2 11 5 5 5 5 5 5 5 6 5 5 5 5 6 6 7 7 7 7 8 8 8 8 8 8 9 10 10 11 11 12 60 65 70 75 80 85 90 100 110 115 125 135 14Q 150 160 170 180 240 260 Copyright Japanese Standards Association Provided by IHS under
40、license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/13/2007 21:33:52 MDTNo reproduction or networking permitted without license from IHS -,-,- J I S BXL5bb 89 4933608 OOLU70b 4 16 B 1566-1989 - d i - 100 110 115 125 135 14Q 150 160 170 180 200 220 240 260 280 300
41、320 340 360 380 4Qo 410 430 450 470 - Informative Reference Attached Table 2. Mounting Dimensions of Radial Bearings with Adapters Unit: - d - 110 120 130 140 150 160 170 180 190 200 220 240 260 280 300 320 340 360 380 4Qo 420 440 460 480 500 - - K (Min.) - 170 180 190 205 220 230 250 260 270 280 -
42、- - - - - - - - - - - - - - - mm de (Min.) - - 127 137 147 158 168 179 189 199 210 231 251 272 292 313 334 355 375 396 417 437 458 478 499 519 H 30 Dimension series of bearing 30 I O 2 I 03 - - 7 8 8 8 8 8 8 9 10 12 11 13 12 12 13 14 14 15 15 16 17 17 18 18 - b (Min.) - - 13 20 19 19 20 23 30 30 34
43、37 31 37 38 45 42 - - - - - - - - - - Adapter series de (Min.) - 117 128 138 149 160 170 180 191 202 212 233 254 276 296 317 339 360 380 401 42 1 443 464 485 505 527 - H 31 Dimension series of bearing 31 I 22 I 03 - 7 7 8 8 8 8 8 8 9 10 10 11 11 12 12 13 14 14 15 15 16 17 17 18 18 - b (Min.) - - 11
44、8 8 15 14 10 18 21 24 22 19 25 28 32 39 - - - - - - - - - - H 32 Dimension jeries of 3earing 32 6 (Min.) Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/13/2007 21:33:52 MDTNo reproduction or netwo
45、rking permitted without license from IHS -,-,- J I S B*l15bb 9 4933688 OOLO707 b 17 B 1566-1989 h “ a, a g a c (d X Co Q) a EL v L i 0 - a , a M 2 c a , a a , O .c a o k a c .rl d .A .A d 3 I . % a v-i a , cn o 7 u Ln vi .A 2 k a a , a z r-l a a p: O - D a c al4 O0 2 2 8 IlII IlII k Q) I i 8 8 3 , S
46、 a b E a, P a 3 d E z“ c, bi, c a a , A2 a P O c, al o a a a h c .4 k d ! - - I ?i .A d 4 .4 E b z al a 3 l E z“ c, v) v) a o a, c -i Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/13/2007 21:33:5
47、2 MDTNo reproduction or networking permitted without license from IHS -,-,- J I S B*15bb 87 4733608 0010711 W 21 B 1566-1989 - 200 400 200 400 - Tolerance zone class of housing hole Remark a a a a Informative Reference Attached Table 5. Tolerance Zone Class of Shaft Usually Used for Thrust Bearings
48、(Grade O, Grade 6) Shaft diameter (mm) Conditions Tolerance zone class of shaft Remark 1 Max. 3xceed- Q3 I Overal shaft diameters js 6 Centric axial load (Thrust bearings as a whole) h 6 is also used. Stationary inner ring load Rotating inner ring load or indeterminate direction load Overall shaft diameter js 6 Composite load ( Self-aligning thrust roller bearing) k 6 m 6 n 6 Instead of k 6,