NSK 6311-6315 Deep Groove Ball Bearing 2RS Sealed

Premium deep groove ball bearing suitable for automotive, electrical and mechanical applications. Offers high precision, durability and smooth operation under various loads.

Size Guide

Size Guide

DRESSES

T-SHIRT

BOTTOMS

DRESSES

T-SHIRT

BOTTOMS
Delivery & Return

Delivery

Store delivery FREE

1-3 working days

Home or collection point from £35.00 FREE

On all your orders for home or collection point delivery

Returns

Return

We will accept exchanges and returns of unworn and unwashed garments within 30 days of the date of purchase (14 days during the sales period).

Returns in store FREE

Your return will usually be processed within a week to a week and a half. We’ll send you a Return Notification email to notify you once the return has been completed. Please allow 1-3 business days for refunds to be received to the original form of payment once the return has been processed.
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Size	Chest	Waist	Hips
XS	34	28	34
S	36	30	36
M	38	32	38
L	40	34	40
XL	42	36	42
2XL	44	38	44
All measurements are in INCHES and may vary a half inch in either direction.

Size	Chest	Waist	Hips
2XS	32	26	32
XS	34	28	34
S	36	30	36
M	38	32	38
L	40	34	40
XL	42	36	42
All measurements are in INCHES and may vary a half inch in either direction.

Size	Chest	Waist	Hips
XS	34	28	34
S	36	30	36
M	38	32	38
L	40	34	40
XL	42	36	42
2XL	44	38	44
All measurements are in INCHES and may vary a half inch in either direction.

Estimated Delivery: Thu, Aug 06 – Mon, Aug 10

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Description

Información Básica.

Model NO.

6311/6312/6313/6314/6315

Outer Dimension

Medium and Large(120-190mm)

Material

Bearing Steel

Spherical

Non-Aligning Bearings

Load Direction

Radial Bearing

Separated

Unseparated

Product Name

NTN/NSK/Koyo/NACHI/Timken Roller Bearing

Lubrication

Grease or Oil

Precision Rating

P0 P6 P5 P4 P2

Vibration

Z1V1 Z2V2 Z3V3

Feature

Long Life, High Speed, Low Noise

Stock

Rich Stocks

Transport

by Sea or by Air

Service

OEM ODM

Transport Package

Carton Pallet

Trademark

NTN/NSK/KOYO/NACHI/TIMKEN

Origin

China

HS Code

8482102000

Production Capacity

1000000

SKU: 55a7cd22b27f Category: Cylindrical Roller Bearing

WHY KOYOSKF BEARINGS

In order to supply even more stable quality to our vast customers, we established a factory in Liao Cheng city,Shandong province.

Beside standard specifications, we also provide the customized service.Welcome all of customers visit our factory . We look forward to establishing a good long-termbusiness relationship with you.

Bearings Produced Daily

Global Distribution Centers

0 +

OEM Partnerships

On-Time Delivery Rate

0 %

KOYOSKF

KOYOSKF Bearing Manufacturer Show

In addition to our own production of bearings, bearing manufacturers, we have established as many as 600 partnerships; if there is a demand in the world, we will purchase to meet the needs of different customers.

FAQ

Koyoskf

FAQ

Frequently Asked Questions

Do you offer customized bearings/truck parts?

Yes—we customize size, material, precision, or branding per your needs. Samples are provided for confirmation before mass production.

What quality certifications do your products have?

Our products hold ISO 9001, TS 16949, and DIN/SAE certifications. We conduct strict inspections from raw materials to pre-shipment.

What’s your lead time, and can you expedite orders?

Standard lead time: 15–30 working days. Urgent orders can be expedited to 7–15 days (subject to feasibility).

What after-sales support do you provide?

All products come with a 12–24 month warranty. We offer free replacement/repair for quality issues, with 24-hour response.

What payment terms are accepted for international orders?

We support T/T (30% deposit + 70% balance), L/C, and PayPal (small orders). Transactions are secured via trusted channels.

What’s your minimum order quantity (MOQ)?

MOQ varies by product type—starting from 100 units for standard items. Flexible MOQ for long-term partners or customized orders.

WHAT OUR CLIENTS SAY

James Cooper

Purchasing Manager

KOYO bearings are durable and precise; their stable performance cuts our downtime greatly, and your reliable supply wins our trust.

Lisa Morgan

Logistics Director

KOYO bearings boast excellent quality; their long service life reduces our replacement costs, and your professional service makes cooperation smooth.

Mike Wilson

Maintenance Supervisor

KOYO bearings run steadily and well; their high precision fits our equipment perfectly, and your on-time delivery never lets us down.

Emma Clark

Operation Manager

KOYO bearings are top-grade and reliable; their anti-wear feature boosts efficiency, and your thoughtful after-sales support gives us reassurance.

John Smith

Procurement Director

KOYO bearings exceed our expectations; their sturdy quality adapts to heavy work, and your consistent supply secures our production.

Anna White

Engineering Chief

KOYO bearings are premium and durable; their stable operation meets strict demands, and your sincere service makes us a steady partner.

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Product Parameters

Description

Size Guide

Delivery

Store delivery FREE

Home or collection point from £35.00 FREE

Returns

Return

Returns in store FREE

Información Básica.

WHY KOYOSKF BEARINGS

KOYOSKF Bearing Manufacturer Show

FAQ

WHAT OUR CLIENTS SAY

James Cooper

Lisa Morgan

Mike Wilson

Emma Clark

John Smith

Anna White

Specifications

Overview

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Inner Diameter	Varies by model
Outer Diameter	Varies by model
Thickness	Varies by model

Model NO.	NJ204ET2XC3
Material	Bearing Steel
Outer Dimension	Small and Medium-Sized (60-115mm)
Load Direction	Axial Bearing
Hardness	60-64 HRC
Trademark	KOYO, NTN, NSK, TIMKEN

Model NO.	F-230877
Material	Bearing Steel
Outer Dimension	Small and Medium-Sized (60-115mm)
Load Direction	Axial Bearing
Hardness	60-64 HRC
Trademark	KOYO, NTN, NSK, TIMKEN

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Contact us immediately

Size Guide

Delivery

Store delivery FREE

Home or collection point from £35.00 FREE

Returns

Return

Returns in store FREE

Información Básica.

WHY KOYOSKF BEARINGS

KOYOSKF Bearing Manufacturer Show

FAQ

WHAT OUR CLIENTS SAY

James Cooper

Lisa Morgan

Mike Wilson

Emma Clark

John Smith

Anna White

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