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NTN 4T-30308D

Taper Roller Bearing

In StockPOA
ISO 9001 Certified Authorised UK Distributor
NTN 4T-30308D Taper Roller Bearing
NTN/SNR
NTN/SNR logo

NTN 4T-30308D - Taper Roller Bearing Metric with Parallel Shaft - ID 40 OD 90 W 25.25mm

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Technical Dimensions & Load Ratings

Confirm these values match your shaft, housing and application requirements before ordering.

Dimensions

Bore Diameter (d)40mm
Outer Diameter (D)90mm
Width (B)25.25mm
Weight727kg

Product Details

Part NumberNTN 4T-30308D
BrandNTN/SNR
Bearing TypeTaper Roller Bearing
Seal TypeOpen
Stock StatusIn Stock

Technical Datasheet

Download full specifications for NTN 4T-30308D — dimensions, load ratings, and material data.

NTN/SNR Technical Resources

Bearings Catalogue
No cross-reference part numbers are recorded for NTN 4T-30308D. Ask our team for equivalent part numbers.
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Engineering support

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Frequently Asked Questions

What is a NTN 4T-30308D bearing?

The NTN 4T-30308D is a NTN/SNR Taper Roller Bearing with a 40mm bore, 90mm outer diameter and 25.25mm width. It is In Stock at Buy Bearings.

What are the NTN 4T-30308D dimensions?

The NTN 4T-30308D measures 40mm bore (inner diameter) × 90mm outer diameter × 25.25mm width.

What does Open mean on a bearing?

Open bearings have no seals or shields, allowing maximum speed and easy relubrication — best for clean, lubricated environments.

Is the NTN 4T-30308D in stock?

The NTN 4T-30308D is In Stock at Buy Bearings. Submit an enquiry or call our sales team for current stock and pricing (POA).

Related & Compatible Bearings

Same taper roller bearing, closest dimensions first — useful if you need a slightly different size or this part is unavailable.

NTN 4T-32308 Taper Roller Bearing
NTN 4T-32308
NTN/SNR logo
POAPrice Match
Bore
40
OD
90
Width
35.25
SealOpen
NTN 4T-32308 - Taper Roller Bearing Metric with Parallel Shaft - ID 40 OD 90 W 35.25mm
In Stock
NTN 4T-32208 Taper Roller Bearing
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NTN/SNR logo
POAPrice Match
Bore
40
OD
80
Width
24.75
SealOpen
NTN 4T-32208 - Taper Roller Bearing Metric with Parallel Shaft - ID 40 OD 80 W 24.75mm
In Stock
NTN 4T-32209 Taper Roller Bearing
NTN 4T-32209
NTN/SNR logo
POAPrice Match
Bore
45
OD
85
Width
24.75
SealOpen
NTN 4T-32209 - Taper Roller Bearing Metric with Parallel Shaft - ID 45 OD 85 W 24.75mm
In Stock
NTN 4T-3782/3720 Taper Roller Bearing
NTN 4T-3782/3720
NTN/SNR logo
POAPrice Match
Bore
44.45
OD
93.264
Width
30.162
SealOpen
NTN 4T-3782/3720 - Imperial Taper Roller Bearing Cup And Cone Set - ID 44.45 OD 93.264 W 30.302mm
In Stock

Related Parts — Seals & Bushings

Matching seals and bushings for 40mm shaft diameter — complementary components for your bearing.

40X50X7 R23 Seals
40X50X7 R23
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Bore
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OD
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Width
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Unclassified Seals with Open seals. A versatile bearing suitable for a range of mechanical applications. Manufactured from Chrome Steel (SAE 52100) for durability and long service life. In Stock at Buy Bearings. Order by 1pm for next-day UK dispatch.
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40X52X7 R23 Seals
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Unclassified Seals with Open seals. A versatile bearing suitable for a range of mechanical applications. Manufactured from Chrome Steel (SAE 52100) for durability and long service life. In Stock at Buy Bearings. Order by 1pm for next-day UK dispatch.
In Stock
40X55X10 R23 Seals
40X55X10 R23
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Bore
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OD
55
Width
10
SealOpen
Unclassified Seals with Open seals. A versatile bearing suitable for a range of mechanical applications. Manufactured from Chrome Steel (SAE 52100) for durability and long service life. In Stock at Buy Bearings. Order by 1pm for next-day UK dispatch.
In Stock
40X55X7 R23 Seals
40X55X7 R23
Unclassified
POAPrice Match
Bore
40
OD
55
Width
7
SealOpen
Unclassified Seals with Open seals. A versatile bearing suitable for a range of mechanical applications. Manufactured from Chrome Steel (SAE 52100) for durability and long service life. In Stock at Buy Bearings. Order by 1pm for next-day UK dispatch.
In Stock
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