NTN 4T-30311D
Taper Roller Bearing
NTN 4T-30311D
Taper Roller Bearing
NTN 4T-30311D - Taper Roller Bearing Metric with Parallel Shaft - ID 55 OD 120 W 31.5mm
Price Match Promise
Found it cheaper elsewhere? We’ll match any UK competitor’s price on bearings in stock — call us before you buy.
NTN 4T-30311D - Taper Roller Bearing Metric with Parallel Shaft - ID 55 OD 120 W 31.5mm
Price Match Promise
Found it cheaper elsewhere? We’ll match any UK competitor’s price on bearings in stock — call us before you buy.
Technical Dimensions & Load Ratings
Confirm these values match your shaft, housing and application requirements before ordering.
Dimensions
| Bore Diameter (d) | 55mm |
| Outer Diameter (D) | 120mm |
| Width (B) | 31.5mm |
| Weight | 1580kg |
Product Details
| Part Number | NTN 4T-30311D |
| Brand | NTN/SNR |
| Bearing Type | Taper Roller Bearing |
| Seal Type | Open |
| Stock Status | In Stock |
Technical Datasheet
Download full specifications for NTN 4T-30311D — dimensions, load ratings, and material data.
NTN/SNR Technical Resources
Engineering support
Our experienced MRO products specialists are on hand to offer practical solutions to your problems and can assist with an on-site visit.
Call us01709 878282
Frequently Asked Questions
What is a NTN 4T-30311D bearing?
The NTN 4T-30311D is a NTN/SNR Taper Roller Bearing with a 55mm bore, 120mm outer diameter and 31.5mm width. It is In Stock at Buy Bearings.
What are the NTN 4T-30311D dimensions?
The NTN 4T-30311D measures 55mm bore (inner diameter) × 120mm outer diameter × 31.5mm 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-30311D in stock?
The NTN 4T-30311D 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.
Related Parts — Seals & Bushings
Matching seals and bushings for 55mm shaft diameter — complementary components for your bearing.
