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Cylindrical Bearings
Rollway N 309 EM
CYLINDRICAL 200-300-400
N 309 is also available as
- N 309 EM$947.23
- N 309 EM C3$947.23
Material
High Chromium Bearing Steel
Dynamic Load Rating (lb)
16,006
Seal Type
Unsealed
Outer Race Configuration
Separable Both Directions
Need help confirming fit? Send us the current part number, shaft size, housing photo, or equipment model.
Product Overview
- Through hardened bearing grade steel
- Surfaces precision ground to RBEC 1 tolerances
- Crowned rollers
Dimensions
| Dim. | Meaning | mm |
|---|---|---|
| B | Overall Width | 25 |
| D | Outside Diameter | 100 |
| E | 86.5 | |
| d | Bore Size | 45 |
| r1s min | 1.5 | |
| rs min | 1.5 |
Values as printed for N 309 EM. Verify critical dimensions before ordering.
- Material
- High Chromium Bearing Steel
- Seal Type
- Unsealed
- Outer Race Configuration
- Separable Both Directions
- Dynamic Load Rating (kN)
- 71.1982
- Inner Race Configuration
- Non-Separable
- Static Load Rating (kN)
- 67.8
- Additional Information
- Suitable for radial loads only
- Flanges
- (2) Flanges on Inner Ring
- Version
- EM: Extra capacity design; Machined brass retainer
- Overall Width (mm)
- 25
- Bore Type
- Straight
- Cage Material
- Brass
- Radial Clearance
- C0
- Number of Rows
- 1
- Rolling Element
- Cylindrical Roller
- Misalignment
- No
- Speed (Max) Oil
- 7,000
- Sealed
- None
- Duplexing
- No
- Speed (Max) Grease
- 6,000
- Full Complement/Caged
- Caged
- Platform
- Cylindrical Radial
- Dynamic Load Rating (lb)
- 16,006
- Bore Size - Metric
- 45Shaft size chart
- Static Load Rating (lb)
- 15,242
- Retainer
- Yes
- Profile
- Complete with Outer and Inner Race
- Snap Ring
- No
- Separable
- Outer ring - both sides
- Outside Diameter (mm)
- 100
- Product Line
- Cylindrical Roller Bearing — Single Row
- Fatigue Load Limit (kN)
- 11.9
Always verify dimensions, load ratings, material, and seal type before ordering.
- Brandi
- Rollway
- Mfg. Catalog Numberi
- N 309 EM
- Mfg. Part Numberi
- N 309 EM
- GDS #i
- GDS-121424
- Categoryi
- Cylindrical Bearings
- UPCi
- 637410082373
Documents & Support
- Rollway Bearings Catalog (Regal Rexnord, 2022) — page 71View
N 309 options
| Part # | Configuration | Price | View |
|---|---|---|---|
| N 309 EMThis part | Higher load rating, brass cage | $947.23 | |
| N 309 EM C3 | Higher load rating, brass cage, C3 radial clearance | $947.23 | View |
Common Questions
Is this a genuine Rollway part?
Yes. GDS Supply supplies the genuine Rollway N 309 EM, manufacturer article number N 309 EM. Its UPC is 637410082373.
