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

MRC Angular Contact Ball Bearing: 3309/5309, 2 Rows, 30°, Open, ABEC 1, Steel Cage

The MRC 3309/5309 is a metric double-row angular contact ball bearing with a 45 mm bore, open design, 30° contact angle, ABEC 1 precision, and a steel cage. It is supplied as a single, not matched, bearing (MPN 5309CG).

SKU 3G-OTH-106271

Also listed as: 5309 CG · 5309-CG

Brand
MRC
Item
Angular Contact Ball Bearing: 3309/5309, 2 Rows, 30°, Open, ABEC 1, Steel Cage
Category
Double-Row Angular Contact Bearings
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Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

MRC
Manufacturer Part Number
5309CG
Type
30°, Open, 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 metric double-row angular contact ball bearing with a 45 mm bore, open design, 30° contact angle, ABEC 1 precision, and a steel cage. It is supplied as a single, not matched, bearing (MPN 5309CG).

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 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 3309/5309 bearing?

The MRC 3309/5309 is a metric double-row angular contact ball bearing with a 45 mm bore, open design, 30° contact angle, ABEC 1 precision class, and a steel cage. It is supplied as a single, not matched, bearing with industry number 3309/5309 and MPN 5309CG.

Where to buy the MRC 3309/5309 bearing worldwide?

3G Electric supplies the MRC 3309/5309 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; we source and deliver this bearing to any international destination.

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

Select the MRC 3309/5309 when you need a double-row, 45 mm bore bearing with a 30° contact angle for combined loads. Verify shaft and housing fits, lubrication method, and operating speed. For matched pairs or different precision, consult MRC specifications. 3G Electric can help with cross-referencing.

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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Compatible alternatives & equivalents

Cross-referenced by specification & description
MRC Angular Contact Ball Bearing: 3309/5309, 2 Rows, 30°, Open, ABEC 1, Steel Cage, 45 mm Bore (MPN 5309M)
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MRC Angular Contact Ball Bearing: 3309/5309, 2 Rows, 30°, Open, ABEC 1, Steel Cage, 45 mm Bore (MPN 5309M)
MRC Angular Contact Ball Bearing: 3309/5309, 2 Rows, 30°, Open, ABEC 1, Steel Cage, 45 mm Bore (MPN 5309MG)
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MRC Angular Contact Ball Bearing: 3309/5309, 2 Rows, 30°, Open, ABEC 1, Steel Cage, 45 mm Bore (MPN 5309MG)
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MRC Angular Contact Ball Bearing: 3309/5309, 2 Rows, 30°, Dbl Shield, ABEC 1, Steel Cage, 45 mm Bore (MPN 5309CFF)
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MRC Angular Contact Ball Bearing: 3309/5309, 2 Rows, 30°, Dbl Sealed, ABEC 1, Steel Cage, 45 mm Bore (MPN 5309CZZ)
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MRC Angular Contact Ball Bearing: 3309/5309, 2 Rows, 30°, Dbl Shield, ABEC 1, Steel Cage, 45 mm Bore (MPN 5309MFFG)
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MRC Angular Contact Ball Bearing: 3310/5310, 2 Rows, 30°, Open, ABEC 1, Steel Cage, 50 mm Bore (MPN 5310CG)

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