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

MRC Angular Contact Ball Bearing: 3311/5311, 2 Rows, 30°, Dbl Sealed, ABEC 1

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, 30° contact angle, double-sealed design, ABEC 1 precision, and a steel cage. The…

SKU 3G-OTH-109859

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

MRC
Manufacturer Part Number
5311CZZ
Type
30°, Dbl Sealed, 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, 30° contact angle, double-sealed design, ABEC 1 precision, and a steel cage. The metric bearing carries the manufacturer part number 5311CZZ.

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 is used in industrial machinery requiring high radial and axial load capacity, such as pumps, compressors, and gearboxes. Its 30° contact angle and double-sealed design suit applications where contamination resistance and moderate speed are needed.

What are the specifications of the MRC 5311CZZ bearing?

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

Where to buy the MRC 5311CZZ bearing worldwide?

You can source the MRC 5311CZZ bearing worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.

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

To select the correct MRC angular contact bearing, verify the bore size (55 mm for 5311CZZ), contact angle (30°), sealing requirement (double-sealed), and precision class (ABEC 1). Ensure the bearing is used as a single unit unless matched pairs are specified. Consult the manufacturer's load ratings for your application.

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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