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MRC Angular Contact Ball Bearing: 3309/5309, 2 Rows, 30°, Dbl Shield, ABEC 1 - Double-Row Angular Contact Bearings
MRCDouble-Row Angular Contact Bearings

MRC Angular Contact Ball Bearing: 3309/5309, 2 Rows, 30°, Dbl Shield, ABEC 1

The MRC 3309/5309 is a double-row angular contact ball bearing (single bearing, not matched) with a 45 mm bore, 30° contact angle, double shields, ABEC 1 precision, and a steel cage. This metric bearing is identified…

SKU 3G-OTH-106376

Brand
MRC
Item
Angular Contact Ball Bearing: 3309/5309, 2 Rows, 30°, Dbl Shield, ABEC 1
Category
Double-Row Angular Contact Bearings
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Technical Specifications

MRC
Manufacturer Part Number
5309MFFG
Type
30°, Dbl Shield, ABEC 1, Steel Cage
Bore
45 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
3309/5309
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MRC Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The MRC 3309/5309 is a double-row angular contact ball bearing (single bearing, not matched) with a 45 mm bore, 30° contact angle, double shields, ABEC 1 precision, and a steel cage. This metric bearing is identified by manufacturer part number 5309MFFG.

Frequently Asked Questions

What is the MRC 3309/5309 angular contact ball bearing used for?

The MRC 3309/5309 double-row angular contact ball bearing handles combined radial and axial loads in pumps, gearboxes, and material handling equipment. Its 30° contact angle and double shields suit moderate-speed, contaminated environments where maintenance access is limited.

What are the specifications of the MRC 5309MFFG bearing?

The MRC 5309MFFG is a metric double-row angular contact ball bearing with a 45 mm bore, 30° contact angle, double shields, ABEC 1 precision, and a steel cage. It is a single bearing (not matched), identified by bearing industry number 3309/5309.

Where to buy the MRC 3309/5309 bearing worldwide?

3G Electric supplies the MRC 3309/5309 bearing worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this double-row angular contact ball bearing.

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

Select based on bore size (45 mm for this model), load type (combined radial/axial), speed, and contamination level. The 30° contact angle and double shields suit moderate speeds and dirty environments. Verify ABEC 1 precision meets your runout requirements. Consult MRC or 3G Electric for application-specific guidance.

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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