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Self-Aligning Ball Bearings
Rollway 1218 K
Rollway Radial Ball Bearing - Self-Aligning - Tapered Bore - 1218 K
1218 is also available as
- 1218$2,386.18
- 1218 C3$1,383.60
- 1218 K$894.86
- 1218 KC3$495.80
Series
1200
Material
52100 Bearing Steel
Dynamic Load Rating (lb)
12,814
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 | 30 |
| D | Outside Diameter | 160 |
| d | Bore Size | 90 |
| r1/r2 | 2.0 |
Values as printed for 1218, the base part of 1218 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
- Cage Material
- Steel
- Misalignment
- Yes
- Rolling Element
- Ball
- Bore Type
- Tapered
- Overall Width (mm)
- 30
- Static Load Rating (kN)
- 23.1
- Dynamic Load Rating (kN)
- 57
- Seal Type
- Unsealed
- Overall Width (in)
- 1.1811
- Static Load Rating (lb)
- 5,193
- Dynamic Load Rating (lb)
- 12,814
- Sealed
- None
- Speed (Max) Grease
- 3,800
- Platform
- Self-Aligning Ball Bearings
- Speed (Max) Oil
- 4,500
- Bore Size - Metric
- 90Shaft size chart
- Duplexing
- No
- Full Complement/Caged
- Caged
- Mounting Method
- Adapter Mounted
- Outside Diameter (mm)
- 160
- Product Line
- Self-Aligning Ball Bearing
- Fatigue Load Limit (kN)
- 0.94
- Calculation Factor e
- 0.17
- Calculation Factor Y1
- 3.7
- Calculation Factor Y2
- 5.7
Always verify dimensions, load ratings, material, and seal type before ordering.
- Brandi
- Rollway
- Mfg. Catalog Numberi
- 1218 K
- Mfg. Part Numberi
- 1218 K
- GDS #i
- GDS-105910
- Categoryi
- Self-Aligning Ball Bearings
- UPCi
- 637410093256
- Seriesi
- 1200
Documents & Support
- Rollway Bearings Catalog (Regal Rexnord, 2022) — page 43View
1218 options
Common Questions
Is this a genuine Rollway part?
Yes. GDS Supply supplies the genuine Rollway 1218 K, manufacturer article number 1218 K. Its UPC is 637410093256.
