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This part is currently out of stock

4 in-stock alternatives found — cross-referenced equivalents ready to ship:

25520 Single Row Tapered Roller Bearing
2–5 Day Dispatch
25520
Timken logo
£10.30
Bore
44.45
OD
82.931
Width
19.845
The Timken 25520 is a precision-engineered single row tapered roller bearing offering a 44.45mm bore and 82.931mm OD. Built with durable chrome steel, this open bearing is designed to withstand harsh operating conditions. Timken components are synonymous with reliability in global aerospace and construction sectors.
Extended Stock2–5 day dispatch
H936349/H936310 Single Row Tapered Roller Bearing
2–5 Day Dispatch
H936349/H936310
Timken logo
£5614.04
Bore
45.974
OD
82
Width
21.43
The Timken H936349/H936310 is a robust open single row tapered roller bearing. Made from chrome steel it measures 45.974mm bore 82mm OD and 21.43mm width. This bearing is engineered by Timken for optimal performance under heavy radial loads.
Extended Stock2–5 day dispatch
45290/45220 Single Row Tapered Roller Bearing
2–5 Day Dispatch
45290/45220
Timken logo
£66.37
Bore
45
OD
85
Width
20.638
Featuring a 45mm bore 85mm OD and 20.638mm width the Timken 45290/45220 is a single row tapered roller bearing. This chrome steel component is engineered for open mounting environments. It leverages Timkens expertise in manufacturing reliable tapered bearing geometry.
Extended Stock2–5 day dispatch
28678/28622 Single Row Tapered Roller Bearing
2–5 Day Dispatch
28678/28622
Timken logo
£67.83
Bore
44.45
OD
82.931
Width
23.812
Timken 28678/28622 is a robust single row tapered roller bearing designed with a 44.45mm bore. Composed of chrome steel, it ensures excellent wear resistance and long operational life for industrial equipment.
Extended Stock2–5 day dispatch

LM503349A/LM503310

Single Row Tapered Roller Bearing

Extended Stock2–5 day dispatch
£34.55
ISO 9001 Certified Authorised UK Distributor
LM503349A/LM503310 Single Row Tapered Roller Bearing
Timken
Timken logo

The Timken LM503349A/LM503310 is a high performance single row tapered roller bearing. Constructed from chrome steel with an open design, it measures 45.242mm bore, 77.788mm OD, and 19.845mm width for precise application alignment.

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Technical Dimensions & Load Ratings

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

Dimensions

Bore Diameter (d)45.242mm
Outer Diameter (D)77.788mm
Width (B)19.845mm
Timken logo
Timken Model
Extended Stock2–5 day dispatch

LM503349A/LM503310

Single Row Tapered Roller Bearing

£34.55
Price on Application

Technical Specifications

Identification
Part NumberLM503349A/LM503310
BrandTimken
Bearing TypeSingle Row Tapered Roller Bearing
MaterialChrome Steel
Dimensions
Bore (Inner Diameter)45.242 mm
Outer Diameter77.788 mm
Width / Thickness19.845 mm

Enquire About the Timken LM503349A/LM503310

Get a competitive quote within 24 hours — no obligation. Our engineering team can help with specifications, cross-references, and volume pricing.

or call 01709 878282

Technical Datasheet

Download full specifications for LM503349A/LM503310 — dimensions, load ratings, and material data.

Timken Technical Resources

Bearings Catalogue
No cross-reference part numbers are recorded for LM503349A/LM503310. Ask our team for equivalent part numbers.
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About the Timken LM503349A/LM503310

The Timken LM503349A/LM503310, is a single row tapered roller bearing, featuring a 45.242mm bore, 77.788mm outer diameter, and 19.845mm width, manufactured from chrome steel, and is extended stock at Buy Bearings.

The Timken LM503349A/LM503310 is a high performance single row tapered roller bearing. Constructed from chrome steel with an open design, it measures 45.242mm bore, 77.788mm OD, and 19.845mm width for precise application alignment.

Key Specifications

The LM503349A/LM503310 single row tapered roller bearing is specified with 45.242mm bore (inner diameter), 77.788mm outer diameter, 19.845mm width. The chrome steel construction provides excellent wear resistance and durability in demanding operating conditions.

Common Applications

Single Row Tapered Roller Bearings are commonly used in:

automotive wheel hubsgearboxesmining equipmentheavy machineryaxle systems

About Single Row Tapered Roller Bearings

Tapered roller bearings use conical rollers and raceways to handle combined radial and axial loads. Their robust design provides high load capacity and stiffness, making them ideal for heavy-duty applications such as vehicle wheels and gearboxes.

Learn more in our Knowledge Base →View Application Guides →

Why Buy the LM503349A/LM503310 from Buy Bearings?

  • UK-authorised distributor with genuine Timken products
  • Expert technical support from our engineering team
  • Competitive pricing with fast UK dispatch
  • Full technical datasheet and cross-reference support
  • 30-day returns on standard products

Frequently Asked Questions

What is a LM503349A/LM503310 bearing?

The LM503349A/LM503310 is a Timken Single Row Tapered Roller Bearing with a 45.242mm bore, 77.788mm outer diameter and 19.845mm width. It is Extended Stock at Buy Bearings.

What are the LM503349A/LM503310 dimensions?

The LM503349A/LM503310 measures 45.242mm bore (inner diameter) × 77.788mm outer diameter × 19.845mm width.

Is the LM503349A/LM503310 in stock?

The LM503349A/LM503310 is Extended Stock at Buy Bearings. Submit an enquiry or call our sales team for current stock and pricing (POA).

Related & Compatible Bearings

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

25520 Single Row Tapered Roller Bearing
2–5 Day Dispatch
25520
Timken logo
£10.30
Bore
44.45
OD
82.931
Width
19.845
The Timken 25520 is a precision-engineered single row tapered roller bearing offering a 44.45mm bore and 82.931mm OD. Built with durable chrome steel, this open bearing is designed to withstand harsh operating conditions. Timken components are synonymous with reliability in global aerospace and construction sectors.
Extended Stock2–5 day dispatch
H936349/H936310 Single Row Tapered Roller Bearing
2–5 Day Dispatch
H936349/H936310
Timken logo
£5614.04
Bore
45.974
OD
82
Width
21.43
The Timken H936349/H936310 is a robust open single row tapered roller bearing. Made from chrome steel it measures 45.974mm bore 82mm OD and 21.43mm width. This bearing is engineered by Timken for optimal performance under heavy radial loads.
Extended Stock2–5 day dispatch
32010XJ Single Row Tapered Roller Bearing
2–5 Day Dispatch
32010XJ
NSK logo
£17.33
Bore
50
OD
80
Width
20
The NSK 32010XJ is a single row tapered roller bearing measuring 50mm bore, 80mm OD, and 20mm width. Crafted from chrome steel by NSK, it offers the high precision required for steel and wind power sectors.
Extended Stock2–5 day dispatch
30208J Single Row Tapered Roller Bearing
2–5 Day Dispatch
30208J
NSK logo
£13.96
Bore
40
OD
80
Width
19.75
The NSK 30208J is a precision single row tapered roller bearing featuring 40mm bore, 80mm OD, and 19.75mm width. This open chrome steel bearing is built by NSK to excel in demanding steel and wind power applications.
Extended Stock2–5 day dispatch
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