Sealmaster ER-31T
Sealmaster Mounted Insert Only Ball Bearing - 52100 Bearing Steel, Black Oxided - Concentric Lock - ER-31T
Dynamic Load Rating (lb)
7,889
Bore Shape
Straight
Torx Cap Screw
5/16-18 UNC
Measure Units
Inch
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
- Skwezloc® concentric locking for near perfect concentricity
- 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.
| Part Number | 705582 |
| Brand | Sealmaster |
| Bore Shape | Straight |
| Torx Cap Screw | 5/16-18 UNC |
| Measure Units | Inch |
| Housing Type | Insert (ER Style) |
| Insert Material | 52100 Bearing Steel |
| Rolling Element | Ball Bearing |
| Seal Type | Felt Labyrinth Seal |
| Overall Width (in) | 2.09 |
| Misalignment | None |
| Expansion | No |
| Internal Clearance | Standard |
| End Cap | No |
| Outer Ring Land Profile | Tapered Lands |
| Bearing Insert Coating | Black Oxide |
| Misalignment Type | Static Only |
| Platform | Gold Line Ball Bearing |
| Bore Size - Inch | 1.9375 |
| Centerline to Front Face (in) | 1.344 |
| Outer Race OD (mm) | 90 |
| Collar OD (in) | 3.47 |
| Inner Ring OD (in) | 2.469 |
| Outer Race Width (in) | 1.125 |
| Outer Race OD (in) | 3.5433 |
| Precision Rating | ABEC 1 |
| Cage Material | PPS - Polyphenylene Sulfide |
| Length Through Bore (in) | 2.09 |
| Outer Race Profile | Cylindrical |
| Inner Race Profile | Wide Inner Ring |
| REX_ItemVibrationFrequencyFundamentalTrain | 0.0068 |
| REX_ItemShaftLocking | Concentric |
| Inner Ring Fillet Radius (in) | 0.06 |
| Setscrew Torque (in-lbs) | 495 |
| Duty/Status | Standard |
| Inner Race Heat Treat Method | Zone-Hardened |
| Maximum Operating Temperature (F) | 220 |
| Ability to Relubricate | Yes |
| REX_ItemVibrationFrequencyOuterRingDefect | 0.0683 |
| REX_ItemLubricationType | Lithium Complex NLGI 2 Grease |
| Outer Race Width (mm) | 28.6 |
| REX_ItemMaximumSpeed | 5000 |
| REX_ItemVibrationFrequencyRollerSpin | 0.0445 |
| REX_ItemVibrationFrequencyInnerRingDefect | 0.0984 |
| REX_ItemSeries | Unmounted Replacement Bearings |
| REX_ItemSizeCode | 2-115 |
| Static Load Rating (lb) | 5,216 |
| Cage Type | Land Riding Retainer |
| Dynamic Load Rating (lb) | 7,889 |
Always verify dimensions, load ratings, material, and seal type before ordering.
| Brandi | Sealmaster |
| Mfg. Catalog Numberi | ER-31T |
| Mfg. Part Numberi | 705582 |
| GDS #i | GDS-117002 |
| Categoryi | Bearings / Insert Bearings and Cartridge Units / Insert Bearings |
| UPCi | 662461031285 |
