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Self-Aligning Roller Bearing (Double Row) (21308CK)
- On Sale Till 31/03/2025
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.
Part Number
Configured Part Number is shown.
21308CK
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| Part Number |
|---|
| 21308CK |
| Part Number | Standard Unit Price | Minimum order quantity | Volume Discount | Days to Ship | RoHS | Inner 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) | 6 Day(s) or more | 10 | 40 | 90 | 23 | Punching | 88000 | - | NA | Tapered hole | - | - | C | - | 4900 | C Type | - | - | - |
Loading...
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 21308CK in the Self-Aligning Roller Bearing (Double Row) series.
Specification/Dimensions
-
Bearing Ring
- With Oil Hole, Oil Groove (W33: European specifications)
- With Oil Hole, Oil Groove
-
Type of momi removing
- High tensile brass
-
Holder Symbol
- L1
-
Symbol of Bearing Ring Shape
- K: Taper hole whose internal diameter is 1/12 of the standard taper
-
type
- 213
- 222
- 223
- 230
- 231
- 232
- 240
-
Inner Dia. d(Ø)
-
Outer Dia. D(Ø)
-
Width B(mm)
-
Retainer Type
- Punching
- Momi removing
-
Internal Clearance Symbol
-
Shaft Bore Config.
- Cylindrical Bore
- Tapered hole
-
Specifications
- B
- C
-
Revolution Frequency(rpm)
-
Series
- Type 213
- C Type
- Type B (Standard Type)
- ULTAGE EA type
- ULTAGE type EA
- ULTAGE type EM
-
CAD
- 2D
- 3D
Days to Ship
-
- All
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- 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
Specify Alterations
- The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .
Similar Part Numbers
| Part Number |
|---|
| 21308C3 |
| 21308CC3 |
| 21308CD1 |
| 21308D1 |
| 21308K |
| 21309C |
| Part Number | Standard Unit Price | Minimum order quantity | Volume Discount | Days to Ship | RoHS | Inner 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) | 7 Day(s) or more | - | 40 | 90 | 23 | Punching | 88000 | - | C3 | Cylindrical Bore | - | - | C | - | 4900 | C Type | - | - | - | ||
SGD 85.38 | 1 Piece(s) | 6 Day(s) or more | 10 | 40 | 90 | 23 | Punching | 88000 | - | C3 | Cylindrical Bore | - | - | C | - | 4900 | C Type | - | - | - | ||
SGD 85.38 | 1 Piece(s) | 8 Day(s) | 10 | 40 | 90 | 23 | Punching | 88000 | With Oil Hole, Oil Groove | NA | Cylindrical Bore | - | - | C | - | 4900 | C Type | - | - | - | ||
SGD 85.38 | 1 Piece(s) | 7 Day(s) or more | - | 40 | 90 | 23 | Punching | 88000 | With Oil Hole, Oil Groove | NA | Cylindrical Bore | - | - | - | - | 4900 | C Type | - | - | - | ||
SGD 85.38 | 1 Piece(s) | 7 Day(s) or more | - | 40 | 90 | 23 | Punching | 88000 | - | NA | Tapered hole | - | - | - | - | 4900 | C Type | - | - | - | ||
SGD 95.60 | 1 Piece(s) | 7 Day(s) or more | - | 45 | 100 | 25 | Punching | 102000 | - | NA | Cylindrical Bore | - | - | C | - | 4400 | C Type | - | - | - |
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