BUY BEARINGS.
Back

NTN 6311LLUC3/5K

Deep Groove Ball Bearing

In StockPOA
ISO 9001 Certified Authorised UK Distributor
NTN 6311LLUC3/5K Deep Groove Ball Bearing
NTN/SNR
NTN/SNR logo

NTN 6311LLUC3/5K - Pop Met Deep Groove Ball Bearing - ID 55 OD 120 W 29mm

Price Match Promise

Found it cheaper elsewhere? We’ll match any UK competitor’s price on bearings in stock — call us before you buy.

17,000+ parts in stock Next-day UK dispatch UK distributor since 2010
Request a Quote
01709 878282 hello@buybearings.co.uk
ISO 9001 Certified Free UK delivery over £150 30-day returns

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)29mm

Product Details

Part NumberNTN 6311LLUC3/5K
BrandNTN/SNR
Bearing TypeDeep Groove Ball Bearing
Seal Type2RS
Stock StatusIn Stock

Technical Datasheet

Download full specifications for NTN 6311LLUC3/5K — dimensions, load ratings, and material data.

NTN/SNR Technical Resources

Bearings Catalogue
No cross-reference part numbers are recorded for NTN 6311LLUC3/5K. Ask our team for equivalent part numbers.
Buy Bearings Support

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
Kelham, Buy Bearings engineering support specialist
Speak toKelham

Frequently Asked Questions

What is a NTN 6311LLUC3/5K bearing?

The NTN 6311LLUC3/5K is a NTN/SNR Deep Groove Ball Bearing with a 55mm bore, 120mm outer diameter and 29mm width. It is In Stock at Buy Bearings.

What are the NTN 6311LLUC3/5K dimensions?

The NTN 6311LLUC3/5K measures 55mm bore (inner diameter) × 120mm outer diameter × 29mm width.

What does 2RS mean on a bearing?

2RS (two rubber seals) bearings are sealed and lubricated for life — they keep dust and moisture out and need no relubrication, making them ideal for most general-purpose applications.

Is the NTN 6311LLUC3/5K in stock?

The NTN 6311LLUC3/5K is In Stock at Buy Bearings. Submit an enquiry or call our sales team for current stock and pricing (POA).

Related & Compatible Bearings

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

1311C3ACC Deep Groove Ball Bearing
1311C3ACC
ISB logo
POAPrice Match
Bore
55
OD
120
Width
29
SealOpen
ISB Deep Groove Ball Bearing with Open seals measuring 55mm bore × 120mm outer diameter × 29mm width. Suited to electric motors, fans, pumps and general-purpose high-speed 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
1311EC3TN9 Deep Groove Ball Bearing
1311EC3TN9
ISB logo
POAPrice Match
Bore
55
OD
120
Width
29
SealOpen
ISB Deep Groove Ball Bearing with Open seals measuring 55mm bore × 120mm outer diameter × 29mm width. Suited to electric motors, fans, pumps and general-purpose high-speed 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
1311EKC3TN9 Deep Groove Ball Bearing
1311EKC3TN9
ISB logo
POAPrice Match
Bore
55
OD
120
Width
29
SealOpen
ISB Deep Groove Ball Bearing with Open seals measuring 55mm bore × 120mm outer diameter × 29mm width. Suited to electric motors, fans, pumps and general-purpose high-speed 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
1311EKTN9 Deep Groove Ball Bearing
1311EKTN9
ISB logo
POAPrice Match
Bore
55
OD
120
Width
29
SealOpen
ISB Deep Groove Ball Bearing with Open seals measuring 55mm bore × 120mm outer diameter × 29mm width. Suited to electric motors, fans, pumps and general-purpose high-speed 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

Related Parts — Seals & Bushings

Matching seals and bushings for 55mm shaft diameter — complementary components for your bearing.

55X68X8 R23 Seals
55X68X8 R23
Unclassified
POAPrice Match
Bore
55
OD
68
Width
8
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
55X70X8 R21V Seals
55X70X8 R21V
Viton
POAPrice Match
Bore
55
OD
70
Width
8
SealOpen
Viton 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
55X70X8 R23 Seals
55X70X8 R23
Unclassified
POAPrice Match
Bore
55
OD
70
Width
8
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
55X70X8 R4 Oil Seals
55X70X8 R4
Neutral
POAPrice Match
Bore
55
OD
70
Width
8
Single Lip Metal Oilseal
In Stock
SearchCall SalesEmail