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MRC Angular Contact Ball Bearing: 3311/5311, 2 Rows, 30°, Open, ABEC 1, Steel Cage - Double-Row Angular Contact Bearings
MRCDouble-Row Angular Contact Bearings

MRC Angular Contact Ball Bearing: 3311/5311, 2 Rows, 30°, Open, ABEC 1, Steel Cage

The MRC 3311/5311 is a double-row angular contact ball bearing, supplied as a single bearing (not matched). It features a 55 mm bore, a 30° contact angle, an open design, ABEC 1 precision, and a steel cage. This…

SKU 3G-OTH-107855

Brand
MRC
Item
Angular Contact Ball Bearing: 3311/5311, 2 Rows, 30°, Open, ABEC 1, Steel Cage
Category
Double-Row Angular Contact Bearings
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Technical Specifications

MRC
Manufacturer Part Number
5311CG
Type
30°, Open, ABEC 1, Steel Cage
Bore
55 mm
Rows
2
Bearing Type
Single Bearing
Contact Bearing Type
Angular Contact
Matched Bearing Type
Not Matched/Single Bearing
System of Measurement
Metric
Bearing Industry Number
3311/5311
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MRC Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The MRC 3311/5311 is a double-row angular contact ball bearing, supplied as a single bearing (not matched). It features a 55 mm bore, a 30° contact angle, an open design, ABEC 1 precision, and a steel cage. This metric bearing is identified by manufacturer part number 5311CG.

Frequently Asked Questions

What is the MRC 3311/5311 angular contact ball bearing used for?

The MRC 3311/5311 double-row angular contact ball bearing handles combined radial and axial loads in industrial machinery, pumps, compressors, and gearboxes. Its 30° contact angle and steel cage suit moderate-speed, high-rigidity applications where precise shaft alignment is required.

What are the specifications of the MRC 5311CG bearing?

The MRC 5311CG is a metric double-row angular contact ball bearing with a 55 mm bore, 30° contact angle, open design, ABEC 1 precision class, and steel cage. It is supplied as a single bearing (not matched) under industry number 3311/5311.

Where to buy the MRC 3311/5311 bearing worldwide?

3G Electric supplies the MRC 3311/5311 bearing worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time on this MRC double-row angular contact bearing.

How to select the correct MRC angular contact bearing for an application?

Select based on bore size (55 mm for this model), contact angle (30° for axial load capacity), precision class (ABEC 1 for general industrial use), and cage material (steel for durability). Verify shaft and housing fits per manufacturer guidelines to ensure proper preload and clearance.

Used in

Common applications for MRC
Industrial pump shafts — MRC 5200 series double-row angular contact bearings for radial and axial load support
Gearbox output shafts — MRC 5210C open bearing for oil-lubricated, high-speed applications
Electric motor bearing housings — MRC 5202SBKFF shielded bearing for contamination resistance in clean environments
Conveyor roller assemblies — MRC 5306MG open bearing for moderate load and speed conditions
Compressor crankshafts — MRC 5214C double-row bearing for combined load capacity in reciprocating machinery
Machine tool spindles — MRC 5213MFF shielded bearing for precision rotation with minimal maintenance

MRC Products

3G Electric supplies MRC double-row angular contact bearings. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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