1、 Bearing specification tablesContentsDeep groove ball bearings. B 4Single-rowOpen type. B 8Shielded/sealed type . B 20Snap ring groove/locating snap ring type . B 32Extra-small, miniature ball bearingsOpen/shielded/sealed type. B 38Flanged type (open/shielded type). B 44Double-row B 50Angular contac
2、t ball bearingsB 52Single-row . B 60Matched pair . B 92Double-row B 124Four-point contact ball bearings B 130Self-aligning ball bearings. B 134Open type B 136Sealed type . B 144Extended inner ring type . B 148Adapter assemblies for self-aligning ball bearings. B 150Cylindrical roller bearingsB 154Si
3、ngle-row . B 158Thrust collars . B 184Double-row B 194Tapered roller bearings. B 200Single-rowMetric series B 204Inch series . B 236Double-rowTDO type . B 280TDI type B 296Spherical roller bearingsB 302Spherical roller bearings . B 306Adapter assemblies for spherical roller bearingsB 330Withdrawal s
4、leeves for spherical roller bearings. B 338Thrust ball bearings. B 348Single direction . B 350Double direction B 360Spherical thrust roller bearings. B 366Needle roller bearings. B 374Needle roller and cage assemblies . B 388Drawn cup type . B 402Machined ring type . B 424Thrust . B 440Stud type tra
5、ck rollers (cam followers) . B 450Yoke type track rollers (roller followers) B 454(Miniature one-way clutches) B 458Ball bearing unitsB 462Pillow block typeWith set screws B 470With adapter . B 476Thick section . B 480Light duty B 482“Compact” series B 484Stainless-series B 486Pressed steel. B 488Sq
6、uare-flanged type . B 490Square-flanged type with spigot joint. B 496Rhombic-flanged type . B 500Light duty B 504“Compact” series B 506Stainless-series B 508Standard bearings(Ball bearing units)Round-flanged type with spigot joint B 510Pressed steel round-flanged type. B 514Pressed steel rhombic-fla
7、nged type. B 516Take-up type B 518Cartridge type . B 524Ball bearings for unitsCylindrical bore type (with set screws)B 528Tapered bore type (with adapter). B 534Cylindrical bore type (with eccentric locking collar). B 538Plummer blocks. B 540Split typeStandard . B 544Flat bottom B 552Flat bottom (d
8、ifferent/large bore type)B 558Large size . B 564One-piece type . B 570Ceramic the latter is easily positioned in the axial direction.Single-row deep groove ball bearingsExtra-small ball bearings andminiature ball bearingsDouble-row deep groove ball bearingsOpen typeBore diameter 10 500 mmShielded/se
9、aled typeFlanged type(with filling slot)With snap ring groove With locating snap ringBore diameter 10 220 mmBore diameter 10 130 mmBore diameter 1 9 mmBore diameter 1 9 mmBore diameter 10 75 mmB 6 B 7Notes 1) Illustration (a) of the ZZ type shows the relatively small size bearing.2) Illustration (d)
10、 of the 2RS type shows the relatively small size bearing.3) The operating temperature range listed is for the standard type. It can be widened by using a different type of grease or sealing material. Consult with JTEKT for details. Handling instructions1) The shielded/sealed type deep groove ball be
11、aring and the deep groove ball bearing with a locatingsnap ring are designed for use with the inner ring rotating.Consult with JTEKT on use with the outer ring rotating.2) When the axial load is large, make the shaft shoulder and housing shoulder larger than usual.(Referring to the specification tab
12、le, make the mounting dimension dalarger and make Dasmaller.)Table 1 Comparison of shielded and sealed bearing performanceTypeCharacter-isticsShielded SealedNon-contact type Non-contact typeContact typeExtremely lightcontact typeZZ type 2RU type 2RS type 2RK type 2RD typeFriction torque Small Small
13、Large Large SmallHigh speedperformanceGood Good Limited because of contact GoodGrease sealingpropertyGoodBetter thanZZ typeBetter than 2RU type forlow-speed applicationsExcellent ExcellentDirt resistance GoodBetter thanZZ typeBetter than2RU typeExcellent ExcellentWater resistance EconomicalBetter th
14、an ZZ typebut inferior to 2RS,2RK and 2RD typesGood ExcellentBetter than ZZand 2RU typesOperatingtemperature 3)30 to +110C30 to +100C30 to +110C(a) 1)(b) (c) (d) 2)(e) (f) (g) Boundary dimensions The dimensions of standard series are as specified in JIS B 1512.For extra-small and miniature ball bear
15、ings, special series (ML) are specified together with those described above.Tolerances As specified in JIS B 1514-1. (refer to Table 7-3 on pp. A 54 A 57.)Radial internal clearanceDeep groove ball bearings (except extra-small ball bearings and miniature ballbearings) . as specified in JIS B 1520 (re
16、fer to Table 10-2 on p. A 96.)Extra-small ball bearings and miniature ball bearings. (refer to Table 10-3 on p. A 96.)Deep groove ball bearings for motors . (refer to Table 10-7 on p. A 99.)Recommended fitsBearings of classes 0 and 6 . (refer to Table 9-4 on pp. A 85, 86.)Precision extra-small ball
17、bearings and miniature ball bearings. (refer to Table 9-5 on p. A 87.)Standard cagesPolyamide molded cage(supplementary code : FG, MG )Pressed steel cage(supplementary code : / )Copper alloy machinedcage(supplementary code : FY )RemarkFor certain applications,stainless steel sheetpressed cages (YS)
18、may also be used.Allowable misalignment0.002 3 0.003 4 rad ( 8 12 )Equivalent radial load(Single/double-row)Dynamic equivalent radialloadPr=XFr+ YFarefer to the table on theright for values Xand Y.Static equivalent radialloadP0r=0.6Fr+ 0.5Fawhen the value ofP0reif0FaC0r7777Factor f0is shown in the b
19、earing dimension table.open typeSingle-row deep groove ball bearingsrau Dau daBrru D u draBoundary dimensions Basic load ratingsFactorLimiting speedsBearing No.Mounting dimensions(Refer.)Mass(kg)(mm) (kN) (min1) (mm)dDBrCrC0rf0Greaselub.Oil lub.daDaramin. min. max. max.1019 5 0.3 1.70 0.84 14.8 37 0
20、00 43 000680012 17 0.3 0.0051022 6 0.3 2.70 1.25 14.0 34 000 41 000690012 20 0.3 0.0101026 8 0.3 4.55 1.95 12.3 31 000 36 000600012 24 0.3 0.0191030 9 0.6 5.10 2.40 13.2 24 000 29 000620014 26 0.6 0.0321035 11 0.6 8.10 3.45 11.2 22 000 27 000630014 31 0.6 0.0531221 5 0.3 1.90 1.05 15.3 33 000 39 000
21、680114 19 0.3 0.0061224 6 0.3 2.90 1.45 14.5 31 000 36 000690114 22 0.3 0.0111228 7 0.3 5.10 2.40 13.2 27 000 32 0001600114 26 0.3 0.0241228 8 0.3 5.10 2.40 13.2 27 000 32 000600114 26 0.3 0.0221232 10 0.6 6.80 3.05 12.3 22 000 27 000620116 28 0.6 0.0371237 12 1 9.70 4.20 11.1 20 000 25 000630117 32
22、 1 0.0601524 5 0.3 2.10 1.25 15.8 28 000 33 000680217 22 0.3 0.0071528 7 0.3 4.30 2.25 14.3 26 000 30 000690217 26 0.3 0.0171532 8 0.3 5.60 2.85 13.9 23 000 28 0001600217 30 0.3 0.0251532 9 0.3 5.60 2.85 13.9 23 000 27 000600217 30 0.3 0.0301535 11 0.6 7.65 3.75 13.2 20 000 24 000620219 31 0.6 0.045
23、1542 13 1 11.4 5.45 12.3 17 000 20 000630220 37 1 0.0821726 5 0.3 2.60 1.55 15.7 26 000 30 000680319 24 0.3 0.0081730 7 0.3 4.60 2.55 14.7 23 000 28 000690319 28 0.3 0.0181735 8 0.3 6.00 3.25 14.4 21 000 25 0001600319 33 0.3 0.0321735 10 0.3 6.00 3.25 14.4 21 000 25 000600319 33 0.3 0.0391740 12 0.6
24、 9.55 4.80 13.2 17 000 21 000620321 36 0.6 0.0651747 14 1 13.6 6.65 12.4 15 000 18 000630322 42 1 0.1151747 14 1 15.6 7.60 12.0 15 000 18 0006303R22 42 1 0.1211762 17 1.1 20.7 9.85 11.6 13 000 15 000640323.5 55.5 1 0.2702032 7 0.3 4.00 2.45 15.5 21 000 25 000680422 30 0.3 0.0182037 9 0.3 6.35 3.70 1
25、4.7 19 000 23 000690422 35 0.3 0.0362042 8 0.3 7.95 4.50 14.4 17 000 21 0001600422 40 0.3 0.050Remark Standard cage types used for the above bearings are described earlier in this section.2042 12 0.6 9.40 5.05 13.9 17 000 21 000600424 38 0.6 0.0692042 12 0.6 11.5 5.85 13.0 18 000 21 0006004R24 38 0.
26、6 0.0732047 14 1 12.8 6.65 13.2 15 000 17 000620425 42 1 0.1062047 14 1 15.6 7.60 12.0 15 000 18 0006204R25 42 1 0.1142052 15 1.1 15.9 7.85 12.3 14 000 17 000630426.5 45.5 1 0.1442052 15 1.1 18.1 8.95 12.0 14 000 16 0006304R26.5 45.5 1 0.1512072 19 1.1 31.0 15.2 11.1 11 000 13 000640426.5 65.5 1 0.4
27、002244 12 0.6 9.40 5.15 14.1 17 000 20 00060/2226 40 0.6 0.0732250 14 1 12.8 6.65 13.2 15 000 17 00062/2227 45 1 0.1182256 16 1.1 18.5 9.40 12.6 13 000 15 00063/2228.5 49.5 1 0.2012537 7 0.3 4.30 2.95 16.0 18 000 21 000680527 35 0.3 0.0222542 9 0.3 7.00 4.55 15.4 16 000 19 000690527 40 0.3 0.0412547
28、 8 0.3 8.85 5.60 15.1 15 000 18 0001600527 45 0.3 0.0602547 12 0.6 10.1 5.85 14.5 15 000 18 000600529 43 0.6 0.0802552 15 1 14.0 7.85 13.9 13 000 15 000620530 47 1 0.1282552 15 1 17.6 9.30 12.8 13 000 16 0006205R30 47 1 0.1382562 17 1.1 20.6 11.3 13.2 11 000 13 000630531.5 55.5 1 0.2322562 17 1.1 26
29、.2 13.4 11.9 11 000 14 0006305R31.5 55.5 1 0.2552580 21 1.5 36.1 19.4 12.2 9 100 11 000640533 72 1.5 0.5302852 12 0.6 12.4 7.40 14.5 14 000 16 00060/2832 48 0.6 0.0972858 16 1 17.9 9.75 13.4 12 000 14 00062/2833 53 1 0.1732868 18 1.1 23.5 13.1 13.3 10 000 12 00063/2834.5 61.5 1 0.3283042 7 0.3 4.55
30、3.40 16.4 15 000 18 000680632 40 0.3 0.0263047 9 0.3 7.25 5.00 15.8 14 000 17 000690632 45 0.3 0.0453055 9 0.3 11.2 7.35 15.2 13 000 15 0001600632 53 0.3 0.0853055 13 1 13.2 8.25 14.7 13 000 15 000600635 50 1 0.1163062 16 1 19.5 11.3 13.9 11 000 13 000620635 57 1 0.1993062 16 1 23.4 12.8 13.0 11 000
31、 13 0006206R35 57 1 0.212Boundary dimensions Basic load ratingsFactorLimiting speedsBearing No.Mounting dimensions(Refer.)Mass(kg)(mm) (kN) (min1) (mm)dDBrCrC0rf0Greaselub.Oil lub.daDaramin. min. max. max.Remark Standard cage types used for the above bearings are described earlier in this section.B
32、8 B 9d10 (20)mmd(20)(30)mmopen typeSingle-row deep groove ball bearingsrau Dau daBrru D u dra3072 19 1.1 26.7 15.0 13.3 9 600 12 000630636.5 65.5 1 0.3463072 19 1.1 33.4 17.7 12.0 9 800 12 0006306R36.5 65.5 1 0.3793090 23 1.5 43.4 23.9 12.3 8 100 9 700640638 82 1.5 0.7353258 13 1 15.0 9.15 14.5 12 0
33、00 14 00060/3237 53 1 0.1273265 17 1 23.5 13.1 13.3 10 000 12 00062/3237 60 1 0.2283275 20 1.1 30.1 16.2 12.7 9 300 11 00063/3238.5 68.5 1 0.4373547 7 0.3 4.75 3.85 16.5 13 000 16 000680737 45 0.3 0.0303555 10 0.6 10.9 7.75 15.7 12 000 14 000690739 51 0.6 0.0733562 9 0.3 12.2 8.85 15.7 11 000 13 000
34、1600737 60 0.3 0.1103562 14 1 15.9 10.3 14.9 11 000 13 000600740 58 1 0.1553572 17 1.1 25.7 15.4 13.9 9 200 11 000620741.5 65.5 1 0.2883572 17 1.1 31.0 17.5 12.9 9 300 11 0006207R41.5 65.5 1 0.3093580 21 1.5 33.4 19.3 13.2 8 500 10 000630743 72 1.5 0.4573580 21 1.5 40.0 21.7 12.1 8 700 10 0006307R43
35、 72 1.5 0.49435100 25 1.5 55.0 31.0 12.2 7 200 8 600640743 92 1.5 0.9524052 7 0.3 4.95 4.20 16.3 12 000 14 000680842 50 0.3 0.0334062 12 0.6 13.7 9.95 15.6 11 000 13 000690844 58 0.6 0.1124068 9 0.3 12.6 9.65 16.0 9 800 12 0001600842 66 0.3 0.1254068 15 1 16.7 11.5 15.2 10 000 12 000600845 63 1 0.19
36、24080 18 1.1 29.1 17.8 14.0 8 300 10 000620846.5 73.5 1 0.3664090 23 1.5 40.7 24.0 13.2 7 700 9 200630848 82 1.5 0.63340110 27 2 63.7 36.6 12.3 6 600 7 900640849 101 2 1.234558 7 0.3 6.20 5.40 16.3 11 000 13 000680947 56 0.3 0.0404568 12 0.6 14.1 10.9 15.9 9 700 11 000690949 64 0.6 0.1324575 10 0.6
37、15.5 12.3 16.0 8 900 10 0001600949 71 0.6 0.1704575 16 1 21.0 15.1 15.3 9 200 11 000600950 70 1 0.24545 85 19 1.1 32.7 20.3 14.0 7 700 9 200 6209 51.5 78.5 1 0.40745 100 25 1.5 48.9 29.5 13.3 6 800 8 100 6309 53 92 1.5 0.833Boundary dimensions Basic load ratings Factor Limiting speedsBearing No.Moun
38、ting dimensions(Refer.)Mass(kg)(mm) (kN) (min1) (mm)dDBrCrC0rf0Greaselub.Oil lub.daDaramin. min. max. max.Remark Standard cage types used for the above bearings are described earlier in this section.45 120 29 2 77.2 45.1 12.2 6 000 7 200 6409 54 111 2 1.5350 65 7 0.3 6.60 6.10 16.1 9 600 11 000 6810
39、 52 63 0.3 0.05250 72 12 0.6 14.5 11.7 16.1 9 000 11 000 6910 54 68 0.6 0.13350 80 10 0.6 16.0 13.3 16.2 8 200 9 700 16010 54 76 0.6 0.18050 80 16 1 21.8 16.6 15.6 8 400 9 900 6010 55 75 1 0.26150 90 20 1.1 35.1 23.3 14.4 7 100 8 500 6210 56.5 83.5 1 0.46350 90 20 1.1 40.4 25.5 13.9 7 100 8 600 6210
40、R 56.5 83.5 1 0.48750 110 27 2 62.0 38.3 13.2 6 100 7 300 6310 59 101 2 1.0750 130 31 2.1 83.0 49.5 12.5 5 500 6 600 6410 61 119 2 1.8855 72 9 0.3 8.80 8.10 16.2 8 700 10 000 6811 57 70 0.3 0.08355 80 13 1 16.6 14.1 16.2 8 100 9 600 6911 60 75 1 0.18555 90 11 0.6 19.3 16.3 16.2 7 400 8 800 16011 59
41、86 0.6 0.26055 90 18 1.1 28.3 21.2 15.3 7 600 8 900 6011 61.5 83.5 1 0.38555 100 21 1.5 43.4 29.4 14.4 6 300 7 600 6211 63 92 1.5 0.60755 120 29 2 71.6 45.0 13.2 5 600 6 700 6311 64 111 2 1.3755 140 33 2.1 100 62.3 12.2 5 000 6 000 6411 66 129 2 2.2960 78 10 0.3 11.5 10.6 16.3 8 000 9 400 6812 62 76
42、 0.3 0.10460 85 13 1 20.2 17.3 16.2 7 500 8 900 6912 65 80 1 0.19260 95 11 0.6 19.8 17.6 16.4 6 900 8 100 16012 64 91 0.6 0.28060 95 18 1.1 29.4 23.2 15.6 7 100 8 400 6012 66.5 88.5 1 0.41560 110 22 1.5 52.4 36.2 14.4 5 700 6 900 6212 68 102 1.5 0.78360 130 31 2.1 81.9 52.2 13.2 5 200 6 200 6312 71
43、119 2 1.7060 150 35 2.1 110 70.8 12.4 4 600 5 500 6412 71 139 2 2.7765 85 10 0.6 11.9 11.5 16.2 7 300 8 600 6813 69 81 0.6 0.12665 90 13 1 17.4 16.1 16.6 7 100 8 400 6913 70 85 1 0.21165 100 11 0.6 17.1 16.0 16.5 6 600 7 800 16013 69 96 0.6 0.30065 100 18 1.1 30.5 25.2 15.8 6 600 7 800 6013 71.5 93.
44、5 1 0.435Boundary dimensions Basic load ratings Factor Limiting speedsBearing No.Mounting dimensions(Refer.)Mass(kg)(mm) (kN) (min1) (mm)dDBrCrC0rf0Greaselub.Oil lub.daDaramin. min. max. max.Remark Standard cage types used for the above bearings are described earlier in this section.B 10 B 11d (30)
45、(45) mmd (45) (65) mmopen typeSingle-row deep groove ball bearingsrau Dau daBrru D u dra65 120 23 1.5 57.2 40.1 14.4 5 400 6 400 6213 73 112 1.5 0.99065 140 33 2.1 92.7 59.9 13.2 4 800 5 800 6313 76 129 2 2.0865 160 37 2.1 118 79.2 12.4 4 300 5 200 6413 76 149 2 3.3070 90 10 0.6 12.1 11.9 16.1 6 800
46、 8 100 6814 74 86 0.6 0.13470 100 16 1 23.7 21.2 16.3 6 400 7 600 6914 75 95 1 0.34270 110 13 0.6 30.1 25.6 16.0 6 100 7 200 16014 74 106 0.6 0.43370 110 20 1.1 38.1 30.9 15.6 6 100 7 200 6014 76.5 103.5 1 0.60270 125 24 1.5 62.2 44.1 14.5 5 100 6 100 6214 78 117 1.5 1.0770 150 35 2.1 104 68.2 13.2
47、4 500 5 400 6314 81 139 2 2.5270 180 42 3 144 104 12.2 3 900 4 600 6414 83 167 2.5 4.8375 95 10 0.6 12.5 12.9 16.0 6 400 7 600 6815 79 91 0.6 0.14275 105 16 1 24.4 22.6 16.5 6 100 7 200 6915 80 100 1 0.36375 115 13 0.6 27.5 25.3 16.4 5 700 6 700 16015 79 111 0.6 0.45775 115 20 1.1 39.6 33.5 15.8 5 7
48、00 6 800 6015 81.5 108.5 1 0.63875 130 25 1.5 67.4 48.3 14.5 4 800 5 800 6215 83 122 1.5 1.1875 160 37 2.1 113 77.2 13.2 4 200 5 000 6315 86 149 2 3.0275 190 45 3 154 115 12.3 3 600 4 400 6415 88 177 2.5 5.8780 100 10 0.6 12.7 13.3 16.0 6 100 7 200 6816 84 96 0.6 0.15080 110 16 1 25.0 24.0 16.6 5 70
49、0 6 800 6916 85 105 1 0.38280 125 14 0.6 31.7 29.7 16.4 5 200 6 100 16016 84 121 0.6 0.59780 125 22 1.1 47.6 39.8 15.6 5 300 6 300 6016 86.5 118.5 1 0.85080 140 26 2 72.7 53.0 14.6 4 500 5 400 6216 89 131 2 1.4080 170 39 2.1 123 86.7 13.3 3 900 4 700 6316 91 159 2 3.5980 200 48 3 164 125 12.3 3 400 4 100 6416 93 187 2.5 6.8485 110 13 1 18.7 19.0 16.2 5 600 6 600 6817 90 105 1 0.26685 120 18 1.1 31.9 29.6 16.4 5 300 6 300 691
