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NTN Cylindrical Roller Bearing: 3021, 105 mm Bore, 2 Rows, 160 mm OD, 41 mm Overall Wd - Double Row Cylindrical Roller Bearings
NTNDouble Row Cylindrical Roller Bearings

NTN Cylindrical Roller Bearing: 3021, 105 mm Bore, 2 Rows, 160 mm OD, 41 mm Overall Wd

The NTN Cylindrical Roller Bearing: 3021 is a double row cylindrical roller bearing with a tapered 1:12 bore, 105 mm bore, 160 mm OD, and 41 mm overall width. It features an alloy steel ring material and a…

SKU 3G-OTH-99801

Brand
NTN
Item
Cylindrical Roller Bearing: 3021, 105 mm Bore, 2 Rows, 160 mm OD, 41 mm Overall Wd
Category
Double Row Cylindrical Roller Bearings
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Technical Specifications

NTN
Manufacturer Part Number
NN3021KC1NAP4
Bore
105 mm
OD
160 mm
Rows
2
Tapered 1
12
Overall Wd
41 mm
Ring Material
Alloy Steel
System of Measurement
Metric
Bearing Industry Number
3021
Cylindrical Bearing Design
NN
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NTN Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The NTN Cylindrical Roller Bearing: 3021 is a double row cylindrical roller bearing with a tapered 1:12 bore, 105 mm bore, 160 mm OD, and 41 mm overall width. It features an alloy steel ring material and a Cylindrical Bearing Design of NN. The manufacturer part number is NN3021KC1NAP4.

Frequently Asked Questions

What is the NTN 3021 cylindrical roller bearing used for?

The NTN 3021 double row cylindrical roller bearing handles high radial loads in machine tool spindles, gearboxes, and pumps. Its tapered 1:12 bore allows precise mounting on adapter sleeves. 3G Electric supplies this bearing for industrial maintenance and OEM applications worldwide.

What are the specifications of the NTN NN3021KC1NAP4 bearing?

The NTN NN3021KC1NAP4 is a metric double row cylindrical roller bearing with a 105 mm bore, 160 mm OD, 41 mm overall width, and tapered 1:12 bore. It has alloy steel rings and a NN design. 3G Electric sources this bearing for global delivery.

Where to buy NTN 3021 bearings worldwide?

3G Electric supplies the NTN 3021 cylindrical roller bearing worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on the NN3021KC1NAP4 model.

How to install a double row cylindrical roller bearing with tapered bore?

For NTN 3021 bearings with a 1:12 tapered bore, use an adapter sleeve and locknut. Tighten the locknut gradually while checking radial clearance with a feeler gauge. Ensure the shaft and housing are clean and properly lubricated. 3G Electric can provide sourcing support.

Used in

Common applications for NTN
Automotive driveline — NTN tapered roller bearing assemblies (e.g., 4T-30303) for differential and wheel hub applications
Conveyor systems — NTN 4-bolt flange bearings (e.g., UCF211-200D1) for idler rollers and take-up units
Machine tool spindles — NTN duplex angular contact bearings (e.g., ML7006CVDUJ74S) for high-speed precision rotation
Industrial fans — NTN high-temperature radial ball bearings (e.g., 6004FT150) for oven and dryer exhaust systems
Pump drives — NTN radial ball bearings (e.g., 6008LLBC3/L627) for electric motor and pump shaft support
Agricultural equipment — NTN tapered roller bearing cones (e.g., LM29748L) for gearbox and PTO shaft assemblies

NTN Products

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

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