Home Bearing NTN 6311LLU Double Sealed Deep Groove Ball Bearing
NTN 6311LLU Bearing

For reference only. Please contact us for actual product photos and detailed specifications.

NTN Genuine Original

NTN 6311LLU Double Sealed Deep Groove Ball Bearing
Model / Part No: 6311LLU Catalog ID: MB-546EC4A1

Brand

NTN

Model / Part No.

6311LLU

Category

Bearing

Origin

Global

Availability

1080 pcs Ready to Ship
US$ 16.70 / unit (Wholesale)
Secure Payments
PayPal
Bank T/T

Official proforma invoice provided for all settlements.

Technical Drawings (For reference only)

Technical Drawing 1
Technical Drawing 2
Technical Drawing 3
Technical Drawing 4
Technical Drawing 5
Technical Drawing 6
Technical Drawing 7
Technical Drawing 8
Technical Drawing 9
Technical Drawing 10

Technical Specifications (For reference only)

Main Dimensions mm

D
120
B
29
d
55
r smin 1)
2
r NS Minimum
0.5

Basic dynamic load rating kgf

Static Load Cor
4600
Dynamic Load Rating Cr
7300

Bearing number

Open
6311
Low Torque Seal
-
Contact Seal
6311LLU
Non-Contact Seal
6311LLB
Sealed
6311ZZ
With Snap Ring 2)
6311NR
With Snap Ring Groove 2)
6311N

Rated Basic Load KN

Dynamic Load Cr
71.5
Static Load Rating Cor
45.0

Mounting Related Dimensions mm

r Nas Maximum
0.5
d a Maximum 3)
74
D a Maximum
111
C z Minimum
2.9
d a Minimum
64
C Y Maximum
6.5
r as Maximum
2
D x (Approx.)
131.5

Retaining Groove Dimensions mm

r 0 Maximum
0.6
a Maximum
4.06
D 1 Maximum
115.21
b Minimum
3.1

Retaining Ring Dimensions mm

D 2 Maximum
129.7
f Maximum
2.82

Permissible Speed min-1

Oil Lubrication Open Z LB
6800
Grease Lubrication Open Type ZZ LLB
5800
LLH
-
LLU
3900

Weight 4) kg

Weight (Approx.)
1.37

Factor

f o
13.2
Suffix LU: Single-lip contact synthetic rubber seal on one side.

Logistics & Global Settlement

Tri-Regional Warehousing

Orders fulfillable from our strategic hubs in Singapore, Shanghai, and Malaysia for optimized lead times.

100% Authenticity Promise

Every component is sourced through authorized channels with strict quality control protocols.

Global Settlement

We support international trade via Bank T/T and PayPal with secure transaction monitoring.

Official Payment Channels
PayPal

Fast & Secure

Bank T/T

Wire Transfer

Commercial invoices (PI) will be issued in USD. Letter of Credit (L/C) accepted for high-volume contract orders.

Returns & Refund Policy Summary

30-Day Return Window

Request a return within 30 calendar days of receiving your shipment.

Original Condition Required

Items must be unused, uninstalled, and in original factory-sealed packaging.

Refund Processing

Full refund for seller errors; 15-20% restocking fee applies to buyer-order errors.

Trade Assurance

Shipping Origins

SG, CN, MY

Trade Terms

EXW, FOB, CIF, DDP

Certificates

CO, Form E, FTA Support

Technical Expert

Amy

"Need technical drawings (PDF/CAD) or a bulk volume quote? I'm available for immediate consultation."

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