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Self-Aligning Roller Bearing (Double Row) (Part Numbers)
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.
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 |
|---|
| Part Number | 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) |
|---|
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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 |
Specification/Dimensions
-
Inner Dia. d(Ø)
-
Outer Dia. D(Ø)
-
Width B(mm)
-
Retainer Type
- Punching
- Momi removing
-
Bearing Ring
- With Oil Hole, Oil Groove (W33: European specifications)
- With Oil Hole, Oil Groove
-
Internal Clearance Symbol
-
Shaft Bore Config.
- Cylindrical Bore
- Tapered hole
-
Type of momi removing
- High tensile brass
-
Holder Symbol
- L1
-
Specifications
- B
- C
-
Symbol of Bearing Ring Shape
- K: Taper hole whose internal diameter is 1/12 of the standard taper
-
Revolution Frequency(rpm)
-
Series
- Type 213
- C Type
- Type B (Standard Type)
- ULTAGE EA type
- ULTAGE type EA
- ULTAGE type EM
-
type
- 213
- 222
- 223
- 230
- 231
- 232
- 240
-
CAD
- 2D
- 3D
Days to Ship
-
- All
- 2 Day(s) or Less
- 4 Day(s) or Less
- 5 Day(s) or Less
- 6 Day(s) or Less
- 7 Day(s) or Less
- 8 Day(s) or Less
- 9 Day(s) or Less
- 10 Day(s) or Less
- 11 Day(s) or Less
- 13 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 .
Frequently asked question (FAQ)
- Question: What is the main advantage of self-aligning roller bearings?
- Answer: Self-aligning roller bearings are advantageous because they can automatically adjust to misalignments between the shaft and housing, making them suitable for applications where shaft deflection or misalignment is common. They can handle both radial loads and axial loads in both directions, with particularly high radial load capacity.
- Question: Are self-aligning roller bearings suitable for high-speed applications?
- Answer: Self-aligning roller bearings are generally not suitable for high-speed applications. At high speeds, there is a risk of roller slip and smearing, especially under large axial loads.
- Question: How should self-aligning roller bearings be lubricated?
- Answer: Lubrication for self-aligning roller bearings can be done through oil grooves and holes provided in the bearings. Proper lubrication is essential to ensure optimal performance and longevity.
- Question: Can self-aligning roller bearings compensate for misalignment during operation?
- Answer: Yes, self-aligning roller bearings can automatically adjust to misalignment and shaft deflections during operation, thanks to their unique design that allows the inner ring, rollers, and cage to tilt freely relative to the outer ring.
- Question: What should be considered when installing self-aligning roller bearings?
- Answer: During installation, it is important to ensure proper alignment and adequate lubrication of the bearing surfaces. Using a torque wrench for bolt tightening is recommended to avoid shaft slippage and ensure a secure fit.
Additional Products in this Category
- Needle Roller Bearings with Thrust Roller Bearings - With Inner Ring
- Cylindrical Roller Bearing
- Needle Roller With Retainer
- Cylindrical Roller Bearing (Radial)
- Combined Needle Roller Bearing NKXR
- Shell Type Needle Roller Bearing HK
- Machined Type Needle Roller Bearing
- Shell Type Needle-Shaped Roller Bearings, HK Series
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