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Self-Aligning Roller Bearing (Double Row) (21311)

Self-Aligning Roller Bearing (Double Row) 21311

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.

PDF

Part Number

Configured Part Number is shown.

21311

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
21311
Part NumberStandard Unit PriceMinimum order quantityVolume DiscountDays to ShipRoHSRaceway Ring Shape Load Direction Inner Dia. d
(Ø) 		Outer Dia. D
(Ø) 		Width B
(mm) 		Inner/Outer Ring Material Number of Raceway Ring Rows Size Standards Specifications/Environment Rolling Element Material Outer Ring Type 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 Working Temperature Range
(°C) 		JAN code Trusco code Mass
(g)

1,069,200 IDR

1 Piece(s) 13 Day(s) or more -Self-aligning rollerRadial5512029SteelDouble RowMetric SystemStandardSteelFlatMomi removing145000-NACylindrical Bore----3700Type 213----

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  1. 1
 

Please check the type/dimensions/specifications of the part 21311 in the Self-Aligning Roller Bearing (Double Row) series.

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Specification/Dimensions

  • Bearing Ring

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

    Clear

  • Type of momi removing

    • High tensile brass

    Clear

  • Holder Symbol

    • L1

    Clear

  • Specifications

    • B
    • C

    Clear

  • Symbol of Bearing Ring Shape

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

    Clear

  • Working Temperature Range(°C)

    • -25 to 120

    Clear

  • type

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

    Clear

  • Raceway Ring Shape

    • Self-aligning roller

    Clear

  • Load Direction

    • Radial

    Clear

  • Inner Dia. d(Ø)

    • 30
    • 35
    • 40
    • 45
    • 50
    • 55
    • 60
    • 65
    • 70
    • 75
    • 80
    • 85
    • 90
    • 95
    • 100
    • 110
    • 120
    • 130
    • 140
    • 150
    • 160
    • 170
    • 180
    • 200
    • 240
    • 280
    • 300
    • 320
    • 340
    • 400

    Clear

  • Outer Dia. D(Ø)

    • 62
    • 72
    • 85
    • 90
    • 100
    • 110
    • 120
    • 125
    • 130
    • 140
    • 150
    • 160
    • 170
    • 180
    • 190
    • 200
    • 210
    • 215
    • 225
    • 230
    • 240
    • 250
    • 260
    • 270
    • 280
    • 310
    • 320
    • 440
    • 500
    • 540
    • 580
    • 600

    Clear

  • Width B(mm)

    • 20
    • 23
    • 25
    • 27
    • 28
    • 29
    • 31
    • 33
    • 36
    • 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

  • Inner/Outer Ring Material

    • Steel

    Clear

  • Number of Raceway Ring Rows

    • Double Row

    Clear

  • Size Standards

    • Metric System

    Clear

  • Specifications/Environment

    • Standard

    Clear

  • Rolling Element Material

    • Steel

    Clear

  • Outer Ring Type

    • Flat

    Clear

  • Retainer Type

    • Punching
    • Momi removing

    Clear

  • Internal Clearance Symbol

    • C3
    • NA

    Clear

  • Shaft Bore Config.

    • Cylindrical Bore
    • Tapered hole

    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
    • 3400
    • 3600
    • 3700
    • 3900
    • 4000
    • 4100
    • 4400
    • 4500
    • 4800
    • 4900
    • 5300
    • 5400
    • 5700
    • 7500
    • 8800

    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
    • 8 Day(s) or Less
    • 10 Day(s) or Less
    • 11 Day(s) or Less
    • 12 Day(s) or Less
    • 13 Day(s) or Less
    • 14 Day(s) or Less
    • 15 Day(s) or Less
    • 16 Day(s) or Less
    • 18 Day(s) or Less

    Clear

Specify Alterations

Products like this...

Part Number
21308CD1
21308CK
21308D1
21313
21315
21315D1C3
Part NumberStandard Unit PriceMinimum order quantityVolume DiscountDays to ShipRoHSRaceway Ring Shape Load Direction Inner Dia. d
(Ø) 		Outer Dia. D
(Ø) 		Width B
(mm) 		Inner/Outer Ring Material Number of Raceway Ring Rows Size Standards Specifications/Environment Rolling Element Material Outer Ring Type 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 Working Temperature Range
(°C) 		JAN code Trusco code Mass
(g)

927,222 IDR

1 Piece(s) 15 Day(s) or more 10Self-aligning rollerRadial409023SteelDouble RowMetric SystemStandardSteelFlatPunching88000With Oil Hole, Oil GrooveNACylindrical Bore--C-4900C Type----

927,222 IDR

1 Piece(s) 14 Day(s) or more 10Self-aligning rollerRadial409023SteelDouble RowMetric SystemStandardSteelFlatPunching88000-NATapered hole--C-4900C Type----

1,050,354 IDR

1 Piece(s) 15 Day(s) or more -Self-aligning rollerRadial409023SteelDouble RowMetric SystemStandardSteelFlatPunching88000With Oil Hole, Oil GrooveNACylindrical Bore----4900C Type----

1,597,074 IDR

1 Piece(s) 11 Day(s) or more 10Self-aligning rollerRadial6514033SteelDouble RowMetric SystemStandardSteelFlatMomi removing194000-NACylindrical Bore----3100Type 213----

2,061,000 IDR

1 Piece(s) 15 Day(s) or more 10Self-aligning rollerRadial7516037SteelDouble RowMetric SystemStandardSteelFlatMomi removing239000-NACylindrical Bore----2700Type 213----

1,692,532 IDR

1 Piece(s) 15 Day(s) or more 10Self-aligning rollerRadial7516037SteelDouble RowMetric SystemStandardSteelFlatMomi removing239000With Oil Hole, Oil GrooveC3Cylindrical Bore----2700Type 213----

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