Insert Bearings
Sealmaster ER-31
Sealmaster Mounted Insert Only Ball Bearing - 52100 Bearing Steel, Black Oxided - Setscrew Lock - ER-31
ER-31 is also available as
Dynamic Load Rating (lb)
7,889
Measure Units
Inch
Housing Type
Insert (ER Style)
Seal Type
Felt Labyrinth Seal
Need help confirming fit? Send us the current part number, shaft size, housing photo, or equipment model.
Product Overview
- ER style cylindrical OD bearing with snap and with black oxided bearing rings
- Zone hardened inner ring with 120° spacing setscrew lock with diamond faceted setscrews
- Felt labyrinth seal and flinger for dry and dusty environment
- Unique land riding retainer design provides superior pocket clearance that allows for 360° grease circulation around the rolling elements resulting in better retained and utilized lubrication.
- Measure Units
- Inch
- Housing Type
- Insert (ER Style)
- Seal Type
- Felt Labyrinth Seal
- Insert Material
- 52100 Bearing Steel
- Bore Shape
- Straight
- Rolling Element
- Ball Bearing
- Set Screw Thread
- 3/8-24 UNF
- Overall Width (in)
- 2.03
- Internal Clearance
- Standard
- Misalignment
- None
- Expansion
- No
- Outer Ring Land Profile
- Tapered Lands
- Platform
- Gold Line Ball Bearing
- End Cap
- No
- Bearing Insert Coating
- Black Oxide
- Bore Size - Inch
- 1.9375Shaft size chart
- Misalignment Type
- Static Only
- Outer Race OD (mm)
- 90
- Outer Race OD (in)
- 3.5433
- Outer Race Width (in)
- 1.125
- Centerline to Front Face (in)
- 1.281
- Inner Ring OD (in)
- 2.469
- Cage Material
- PPS - Polyphenylene Sulfide
- Precision Rating
- ABEC 1
- Length Through Bore (in)
- 2.031
- Inner Race Profile
- Wide Inner Ring
- Outer Race Profile
- Cylindrical
- Outer Race Width (mm)
- 28.6
- Inner Race Heat Treat Method
- Zone-Hardened
- Maximum Operating Temperature (F)
- 220
- Setscrew Torque (in-lbs)
- 230-300
- Inner Ring Fillet Radius (in)
- 0.06
- Ability to Relubricate
- Yes
- Duty/Status
- Standard
- Static Load Rating (lb)
- 5,216
- Dynamic Load Rating (lb)
- 7,889
- Cage Type
- Land Riding Retainer
Always verify dimensions, load ratings, material, and seal type before ordering.
- Brandi
- Sealmaster
- Mfg. Catalog Numberi
- ER-31
- Mfg. Part Numberi
- 701077
- GDS #i
- GDS-115796
- Categoryi
- Insert Bearings
- UPCi
- 662461008751
ER-31 options
| Part # | Configuration | Price | View |
|---|---|---|---|
| ER-31This part | Base configuration | $132.48 | |
| ER-31C | Contact seal | $132.48 | View |
| ER-31T | Skwezloc concentric locking collar | $141.52 | View |
| ER-31TC | Skwezloc concentric locking collar, contact seal | $172.56 | View |
| ER-31X | Labyrinth seal (felt-seal stampings, no felt) | Request quote | View |
| ER-31 DRT | High-contamination seal | $366.68 | View |
| ER-31T L | — | $185.50 | View |
Common Questions
Is this a genuine Sealmaster part?
Yes. GDS Supply supplies the genuine Sealmaster ER-31, manufacturer article number 701077. Its UPC is 662461008751.
