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SEALMASTER Insert Bearing: ER-21, 1 5/16 in Bore, 2 53/64 in OD, 0.938 in Outer Ring Wd - Retaining-Ring Cylindrical Insert Bearings
SEALMASTERRetaining-Ring Cylindrical Insert Bearings

SEALMASTER Insert Bearing: ER-21, 1 5/16 in Bore, 2 53/64 in OD, 0.938 in Outer Ring Wd

The SEALMASTER ER-21 is a retaining-ring cylindrical insert bearing, specifically a radial/deep groove ball bearing with an inch-system design. It features a 1 5/16 in bore, 2 53/64 in OD, and 0.938 in outer ring…

SKU 3G-OTH-99200

Brand
SEALMASTER
Item
Insert Bearing: ER-21, 1 5/16 in Bore, 2 53/64 in OD, 0.938 in Outer Ring Wd
Category
Retaining-Ring Cylindrical Insert Bearings
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Technical Specifications

SEALMASTER
Manufacturer Part Number
ER-21
Type
Set Screws
Bore
1 5/16 in
OD
2 53/64 in
Closure
Double Sealed
Outer Ring Wd
0.938 in
Bearing Insert Type
Radial/Deep Groove Ball
System of Measurement
Inch
Bearing Industry Number
ER-21
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SEALMASTER Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The SEALMASTER ER-21 is a retaining-ring cylindrical insert bearing, specifically a radial/deep groove ball bearing with an inch-system design. It features a 1 5/16 in bore, 2 53/64 in OD, and 0.938 in outer ring width, with double-sealed closure and set screw locking. This bearing is identified by the industry number ER-21 and manufacturer part number ER-21.

Used in

Common applications for SEALMASTER
Conveyor systems — SEALMASTER NP series pillow block bearings for belt conveyor idler shafts
Material handling fans — SEALMASTER SFT series flange bearings for fan housing mounting
Pump drives — SEALMASTER MP series medium-duty pillow blocks for pump shaft support
Agricultural equipment — SEALMASTER ER series insert bearings in auger and elevator assemblies
Packaging machinery — SEALMASTER NPL low-base pillow blocks for compact conveyor sections
Industrial blowers — SEALMASTER SFT-23 flange bearing for blower shaft end support

SEALMASTER Products

3G Electric supplies SEALMASTER retaining-ring cylindrical insert bearings. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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