Drawn cup needle roller bearings NTN - bearing Drawn cup needle roller bearings NTN Type of bearing...

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Transcript of Drawn cup needle roller bearings NTN - bearing Drawn cup needle roller bearings NTN Type of bearing...

  • B-30

    Drawn cup needle roller bearings NTN

    Type of bearing Composition ofnominal bearing numberApplied shaft

    diameter (mm) Code items

    and dimensionsNominal

    bearing numberRemarks

    HKHKT2

    HK0609T2

    HK2018L

    HK2020LL

    HK2030ZWD

    HK 06 09 T2

    Open end

    Open endsingle side seal

    350

    HKL

    1250

    HKLL

    Open enddouble-side seal

    1250

    HKZWD

    Open enddouble-row type

    1530

    The bearings with tail code T2 using polyamide resin cage shall be used at allowable temperature120C and, undercontinuous running, at100C and less.

    HK 20 18 L This seal type (Tail code :L or LL) synthetic rubberseal built in at its singleside or double sides isinternally filled with lithiumsoap base grease. The operating temperatureshall range from -25 to100C maximum toprevent deterioration ofthe seal and filled-upgrease.

    The roller length and ratedload of this bearing typeare shorter and smallerthan those of the opentype of same dimension.

    HK 20 20 LL

    HK 20 30 ZW D

    [Tail code]T2 : Resin cageC : Welding cage

    This type is provided withoil hole on its outer ring.

    Tail codeWidth

    Inscribed circlediameter

    Type code

    Tail codeWidth

    Inscribed circlediameter

    Type code

    Tail codeWidth

    Inscribed circlediameter

    Type code

    Tail codeTail code

    WidthInscribed circle

    diameterType code

    Inscribed circle diameter :6Width : 9T2 : Resin cage

    Inscribed circle diameter :20Width : 18L : single side seal

    Inscribed circle diameter :20Width : 20LL: Double-side seal

    Inscribed circle diameter :20Width : 30ZW : Double-row cageD : Outer ring with oil hole

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    http://www.bearing-needle.com/

  • B-31

    Drawn cup needle roller bearings NTN

    HMKHMKT2

    HMK2015

    HMK2018L

    M2021LL

    HK3845ZWD

    HMK 20 15

    Open end

    Open endsingle side seal

    850

    HMKL

    850

    HMKLL

    Open enddouble-side seal

    850

    HMKZWD

    Open enddouble-row type

    3850

    HMK 20 18 L

    HMK 20 21 LL

    HMK 38 45 ZW D

    Type of bearing Composition ofnominal bearing number

    Applied shaftdiameter (mm)

    Code itemsand dimensions

    Nominalbearing number

    Remarks

    The bearings with tail code T2 using polyamide resin cage shall be used at allowable temperature120C and, undercontinuous running, at100C and less.

    This seal type (Tail code :L or LL) synthetic rubberseal built in at its singleside or double sides isinternally filled with lithiumsoap base grease. The operating temperatureshall range from -25 to100C maximum toprevent deterioration ofthe seal and filled-upgrease.

    The roller length and ratedload of this bearing typeare shorter and smallerthan those of the opentype of same dimension.

    This type is provided withoil hole on its outer ring.

    WidthInscribed circle

    diameterType code

    Tail codeWidth

    Inscribed circlediameter

    Type code

    Tail codeWidth

    Inscribed circlediameter

    Type code

    Tail codeTail code

    WidthInscribed circle

    diameterType code

    Inscribed circle diameter :20Width : 15

    Inscribed circle diameter :20Width : 18L : single side seal

    Inscribed circle diameter :20Width : 21LL: Double-side seal

    Inscribed circle diameter :38Width : 45ZW : Double-row cageD : Outer ring with oil hole

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  • B-32

    Drawn cup needle roller bearings NTN

    BKBKT2

    Inscribed circle diameter :20Width : 20C : Welding cage

    BK2020C

    BK2018L

    BK2030ZWD

    DCL1620

    BK 20 20 C

    Closed end

    Closed end single side seal

    350

    BKL

    1250

    BKZWD

    Closed end double-row type

    1530

    DCL

    Open end6.35 50.8

    BK 20 18 L

    BK 20 30 ZW D

    DCL 16 20

    Inscribed circlediameter

    HCK1622

    HCK

    Closed end 1020

    HCK 16 22

    Type of bearing Composition ofnominal bearing number

    Applied shaftdiameter (mm)

    Code itemsand dimensions

    Nominalbearing number

    Remarks

    The bearings with tail code T2 using polyamide resin cage shall be used at allowable temperature120C and, undercontinuous running, at100C and less.

    This seal type (Tail code:L) is internally filled upwith lithium soap basegrease. The operating temperatureshall range from -25 to100C maximum toprevent deterioration ofthe seal and filled-upgrease.

    Full complement rollertype with no cage. Already filled up withspecific grease.

    Tail codeWidth

    Inscribed circlediameter

    Type code

    Tail codeWidth

    Inscribed circlediameter

    Type code

    Width codeInscribed circlediameter code

    Type code

    Outer diameterInscribed circle

    diameterType code

    Tail codeTail code

    WidthInscribed circle

    diameterType code

    Inscribed circle diameter :20Width : 30ZW : Double-row cageD : Outer ring with oil hole

    Inscribed circle diameter :20Width : 18L : single side seal

    Inscribed circle diameter :25.4Width : 31.75

    Inscribed circle diameter :16Width : 22

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  • Nominal inscribedcircle dia.

    Fw

    Nominal outerring outer dia.

    D

    Ring gaugebore dia.

    Tolerance forinscribed circle diameter

    High Low

    Unit : mm

    11.12512.71314.300

    15.88817.47519.063

    20.65022.23825.387

    26.97528.56230.150

    31.73733.32534.912

    38.08738.08741.262

    47.61250.78753.962

    57.13760.312

    6.4117.9989.586

    11.17312.76114.348

    15.93617.52319.086

    20.67322.26123.848

    25.43627.02328.611

    30.19831.78634.963

    38.14141.31644.493

    47.66850.846

    6.3887.9769.563

    11.15112.73814.326

    15.91317.50119.063

    20.65022.23823.825

    25.41327.00028.588

    30.17531.76334.938

    38.11341.28844.463

    47.63850.815

    6.3507.9389.525

    11.11212.70014.288

    15.87517.46219.050

    20.63822.22523.812

    25.40026.98828.575

    30.16231.75034.925

    38.10041.27544.450

    47.62550.800

    11.11212.70014.288

    15.87517.46219.050

    20.63822.22525.400

    26.98828.57530.162

    31.75033.33834.925

    38.10038.10041.275

    47.62550.80053.975

    57.15060.325

    Nominal inscribedcircle dia.

    Fw

    Nominal outerring outer dia.

    D

    Ring gaugebore dia.

    Tolerance forinscribed circle diameter

    High Low

    Unit : mm

    15.01617.11619.020

    20.02022.02024.020

    24.62027.920

    10.02611.68713.031

    14.03116.03118.031

    18.03120.038

    1011.65613

    141618

    1820

    1517.119

    202224

    24.627.9

    10.01111.66913.013

    14.01316.01318.013

    18.01320.017

    B-35

    Drawn cup needle roller bearings NTN

    Table 6 Dimensional tolerance for inscribed circle diameter (Type DCL) Table 7 Dimensional tolerance for inscribed circle diameter (Type HCK)

  • Boundary dimensions Basic load ratings Limiting speeds Bearing numbers Mass Appropriate1)

    mmdynamic static dynamic static inner ring

    Fw D C C1

    N kgf r/min kg

    0 maxgrease oil open end closed end

    -0.2 Cr Cor Cr Cor design design (approx.) (as a reference)

    B-36

    Note 1) Bearing with inner ring is represented by HK+IR. (Refer to "Inner Ring Dimensions Table" on page B-117.) EX. HK1012 + IR71016.5

    Type HK, Type HKZWDType HMKType BK,, Type BKZWD

    FW 310mm

    Type HKZWDOpened End Type

    FWD

    C

    D

    C

    Type HK, Type HMK

    FW

    36.5 6 925 565 94 58 33 000 50 000 HK0306T2 0.0006 6.5 6 0.8 925 565 94 58 33 000 50 000 BK0306T2 0.0007

    48 8 1 770 1 270 180 129 30 000 45 000 HK0408T2 0.0016 8 8 1.6 1 770 1 270 180 129 30 000 45 000 BK0408T2 0.0018

    59 9 2 640 2 190 269 224 27 000 40 000 HK0509T2 0.0019 9 9 1.6 2 640 2 190 269 224 27 000 40 000 BK0509T2 0.0021

    610 9 2 660 2 280 272 233 25 000 37 000 HK0609T2 0.0022 10 9 1.6 2 660 2 280 272 233 25 000 37 000 BK0609T2 0.0024

    711 9 3 400 3 250 345 330 23 000 34 000 HK0709 0.0025 11 9 1.6 3 400 3 250 345 330 23 000 34 000 BK0709 0.0027

    12 10 3 850 3 950 395 400 20 000 30 000 HK0810C 0.0032 IR 5 812

    12 10 1.6 3 850 3 950 395 400 20 000 30 000 BK0810C 0.0034 IR 5 812

    8 15 10 3 800 2 870 390 293 20 000 30 000 HMK0810 0.0067 IR 5 812

    15 15 6 600 5 800 675 590 20 000 30 000 HMK0815 0.0100 IR 5 816

    15 20 9 050 8 750 925 890 20 000 30 000 HMK0820T2 0.0130

    13 10 4 750 5 300 485 540 18 000 27 000 HK0910 0.0035 IR 6 912

    13 10 1.6 4 750 5 300 485 540 18 000 27 000 BK0910 0.0039 IR 6 912

    913 12 5 650 6 650 575 680 18 000 27 000 HK0912 0.0042 IR 6 912

    13 12 1.6 5 650 6 650 575 680 18 000 27 000 BK0912 0.0045 IR 6 912

    16 12 5 300 4 450 540 455 18 000 27 000 HMK0912 0.0087 IR 6 916

    16 16 7 400 6 850 755 700 18 000 27 000 HMK0916 0.0120

    14 10 4 500 5 100 460 520 16 000 24 000 HK1010 0.0038 IR 71010.5

    14 10 1.6 4 500 5 100 460 520 16 000 24 000 BK1010 0.0042 IR 71010.5

    14 12 5 900 7 250 605 735 16 000 24 000 HK1012 0.0045 IR 71016

    1014 12 1.6 5 900 7 250 605 735 16 000 24 000 BK1012 0.0050 IR 71016

    14 15 7 100 9 150 725 935 16 000 24 000 HK1015 0.0056 IR 71016

    14 15 1.6 7 100 9 150 725 935 16 000 24 000 BK1015 0.0062 IR 71016

    17 10 4 250 3 450 435 350 16 000 24 000 HMK