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Self-Aligning Ball Bearings
Rollway 1211 K
Rollway Radial Ball Bearing - Self-Aligning - Tapered Bore - 1211 K
1211 is also available as
- 1211 C3$463.10
- 1211 K$270.11
- 1211 KC3$463.10
Series
1200
Material
52100 Bearing Steel
Dynamic Load Rating (lb)
5,980
Angular Misalignment
+/- 2.5
Need help confirming fit? Send us the current part number, shaft size, housing photo, or equipment model.
Product Overview
- Double row ball bearing
- Outer ring raceway: Spherical
- Inner ring raceway: 1 linear surface
- Absorb shaft misalignments (max. 3 degrees depending of series number)
Dimensions
| Dim. | Meaning | mm |
|---|---|---|
| B | Overall Width | 21 |
| D | Outside Diameter | 100 |
| d | Bore Size | 55 |
| r1/r2 | 1.5 |
Values as printed for 1211, the base part of 1211 K; the options in this part number do not change the housing. Verify critical dimensions before ordering.
- Material
- 52100 Bearing Steel
- Angular Misalignment
- +/- 2.5
- Radial Clearance
- Normal
- Overall Width (mm)
- 21
- Dynamic Load Rating (kN)
- 26.6
- Bore Type
- Tapered
- Overall Width (in)
- 0.8268
- Rolling Element
- Ball
- Misalignment
- Yes
- Static Load Rating (kN)
- 10.1
- Seal Type
- Unsealed
- Cage Material
- Steel
- Bore Size - Metric
- 55Shaft size chart
- Static Load Rating (lb)
- 2,271
- Platform
- Self-Aligning Ball Bearings
- Sealed
- None
- Speed (Max) Grease
- 6,300
- Dynamic Load Rating (lb)
- 5,980
- Speed (Max) Oil
- 7,500
- Full Complement/Caged
- Caged
- Duplexing
- No
- Mounting Method
- Adapter Mounted
- Outside Diameter (mm)
- 100
- Product Line
- Self-Aligning Ball Bearing
- Fatigue Load Limit (kN)
- 0.46
- Calculation Factor e
- 0.20
- Calculation Factor Y1
- 3.2
- Calculation Factor Y2
- 4.9
Always verify dimensions, load ratings, material, and seal type before ordering.
- Brandi
- Rollway
- Mfg. Catalog Numberi
- 1211 K
- Mfg. Part Numberi
- 1211 K
- GDS #i
- GDS-105886
- Categoryi
- Self-Aligning Ball Bearings
- UPCi
- 637410093003
- Seriesi
- 1200
Documents & Support
- Rollway Bearings Catalog (Regal Rexnord, 2022) — page 42View
1211 options
Common Questions
What is the minimum order quantity for the 1211 K?
The minimum order quantity for the 1211 K is 100 units.
Is this a genuine Rollway part?
Yes. GDS Supply supplies the genuine Rollway 1211 K, manufacturer article number 1211 K. Its UPC is 637410093003.
