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Self-Aligning Roller Bearing (Double Row) (21308CD1)

Self-Aligning Roller Bearing (Double Row) 21308CD1

NTN

NTN

A roller bearing with an inner race featuring a two-row raceway groove, an outer race featuring a spherical raceway, and barrel-shaped rolling elements.
[Features]
·The raceway center of the outer race coincides with the center of the bearing. Has a self-aligning property.
·It is capable to operate despite a tilting of the inner race and outer race caused by installation error to the housing or deflection of the shaft.
[Application]
·Areas where it is difficult to center the shaft and housing.
·Such as transmission shaft and other areas prone to shaft deflection.
·Where large axial loads can be applied.
·Steel equipment, paper manufacturing machines, mining machines, etc.
·Ideal for applications subject to radial loads, axial loads in both directions, and their combined loads.

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Part Number

Configured Part Number is shown.

21308CD1

Features

●The radial load, the axial load in both directions, and the capacity to load these combined loads are getting bigger.

Specification

●SPQ（piece）:1
●Seal: None
●Precision Grade: JIS B 1514 0 Grade
●Working Temperature Range: -25 to 120°C

Materials

●High Carbon Chromium Steel Bearing
30
45
60
  1. 1
Part Number
21308CD1
Part NumberStandard Unit PriceMinimum order quantityVolume DiscountDays to ShipRoHSInner Dia. d
(Ø) 		Outer Dia. D
(Ø) 		Width B
(mm) 		Retainer Type Basic Load Rating: Dynamic Load
(N) 		Bearing Ring Internal Clearance Symbol Shaft Bore Config. Type of momi removing Holder Symbol Specifications Symbol of Bearing Ring Shape Revolution Frequency
(rpm) 		Series JAN code Trusco code Mass
(g)

SGD 85.38

1 Piece(s) 8 Day(s) 10409023Punching88000With Oil Hole, Oil GrooveNACylindrical Bore--C-4900C Type---

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  1. 1
 

Basic Information

Raceway Ring Shape Self-aligning roller Load Direction Radial Inner/Outer Ring Material Steel
Number of Raceway Ring Rows Double Row Size Standards Metric System Specifications/Environment Standard
Rolling Element Material Steel Outer Ring Type Flat

Please check the type/dimensions/specifications of the part 21308CD1 in the Self-Aligning Roller Bearing (Double Row) series.

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Specification/Dimensions

  • Type of momi removing

    • High tensile brass

    Clear

  • Holder Symbol

    • L1

    Clear

  • Symbol of Bearing Ring Shape

    • K: Taper hole whose internal diameter is 1/12 of the standard taper

    Clear

  • type

    • 213
    • 222
    • 223
    • 230
    • 231
    • 232
    • 240

    Clear

  • Inner Dia. d(Ø)

    • 25
    • 30
    • 40
    • 45
    • 50
    • 55
    • 60
    • 65
    • 70
    • 75
    • 80
    • 85
    • 90
    • 100
    • 110
    • 120
    • 130
    • 140
    • 150
    • 160
    • 170
    • 200
    • 240
    • 280
    • 300
    • 320
    • 340
    • 400

    Clear

  • Outer Dia. D(Ø)

    • 52
    • 62
    • 90
    • 100
    • 110
    • 120
    • 125
    • 130
    • 140
    • 150
    • 160
    • 170
    • 180
    • 190
    • 200
    • 210
    • 215
    • 225
    • 230
    • 240
    • 250
    • 260
    • 270
    • 280
    • 310
    • 440
    • 500
    • 540
    • 580
    • 600

    Clear

  • Width B(mm)

    • 18
    • 20
    • 23
    • 25
    • 27
    • 28
    • 29
    • 31
    • 33
    • 37
    • 39
    • 41
    • 43
    • 46
    • 47
    • 48
    • 51
    • 52
    • 53
    • 55
    • 56
    • 58
    • 60
    • 64
    • 67
    • 68
    • 73
    • 75
    • 80
    • 82
    • 86
    • 88
    • 93
    • 120
    • 130
    • 148
    • 176
    • 190
    • 192

    Clear

  • Retainer Type

    • Punching
    • Momi removing

    Clear

  • Bearing Ring

    • With Oil Hole, Oil Groove (W33: European specifications)
    • With Oil Hole, Oil Groove

    Clear

  • Internal Clearance Symbol

    • C3
    • NA

    Clear

  • Shaft Bore Config.

    • Cylindrical Bore
    • Tapered hole

    Clear

  • Specifications

    • B
    • C

    Clear

  • Revolution Frequency(rpm)

    • 2,200
    • 520
    • 560
    • 770
    • 920
    • 1400
    • 1500
    • 1600
    • 1700
    • 1800
    • 1900
    • 2000
    • 2100
    • 2200
    • 2300
    • 2400
    • 2500
    • 2700
    • 2800
    • 2900
    • 3000
    • 3100
    • 3300
    • 3600
    • 3700
    • 3900
    • 4000
    • 4100
    • 4400
    • 4500
    • 4800
    • 4900
    • 5300
    • 5400
    • 5700
    • 8800
    • 10400

    Clear

  • Series

    • Type 213
    • C Type
    • Type B (Standard Type)
    • ULTAGE EA type
    • ULTAGE type EA
    • ULTAGE type EM

    Clear

  • CAD

    • 2D
    • 3D

    Clear

Days to Ship

    • All
    • Same day
    • 4 Day(s) or Less
    • 6 Day(s) or Less
    • 7 Day(s) or Less
    • 8 Day(s) or Less
    • 10 Day(s) or Less

    Clear

Specify Alterations

Similar Part Numbers

Part Number
21308C
21308C3
21308CC3
21308CK
21308D1
21308K
Part NumberStandard Unit PriceMinimum order quantityVolume DiscountDays to ShipRoHSInner Dia. d
(Ø) 		Outer Dia. D
(Ø) 		Width B
(mm) 		Retainer Type Basic Load Rating: Dynamic Load
(N) 		Bearing Ring Internal Clearance Symbol Shaft Bore Config. Type of momi removing Holder Symbol Specifications Symbol of Bearing Ring Shape Revolution Frequency
(rpm) 		Series JAN code Trusco code Mass
(g)

SGD 89.50

1 Piece(s) 4 Day(s) or more 10409023Punching88000-NACylindrical Bore--C-4900C Type---

SGD 85.38

1 Piece(s) 7 Day(s) or more -409023Punching88000-C3Cylindrical Bore--C-4900C Type---

SGD 85.38

1 Piece(s) 6 Day(s) or more 10409023Punching88000-C3Cylindrical Bore--C-4900C Type---

SGD 85.38

1 Piece(s) 6 Day(s) or more 10409023Punching88000-NATapered hole--C-4900C Type---

SGD 85.38

1 Piece(s) 7 Day(s) or more -409023Punching88000With Oil Hole, Oil GrooveNACylindrical Bore----4900C Type---

SGD 85.38

1 Piece(s) 7 Day(s) or more -409023Punching88000-NATapered hole----4900C Type---

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