Home Bearing KOYO NJ 304 Cylindrical Roller Bearing
KOYO NJ 304 Bearing

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

KOYO Genuine Original

KOYO NJ 304 Cylindrical Roller Bearing
Model / Part No: NJ 304 Catalog ID: MB-6D7A4EBF

Brand

KOYO

Model / Part No.

NJ 304

Category

Bearing

Origin

Global

Availability

1370 pcs Ready to Ship
US$ 13.20 / 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)

D
20
B
15.0
Fw
28.5
D1 (Maximum)
31.8
ra (Maximum)
1.0
Ew
44.5
B1
4.0
B2
7.5
n
N304
db (Maximum)
27
Da (Maximum)
45.0
Da (Minimum)
27.0
Db (Minimum)
25.0
r (Minimum)
1.1
r1 (Minimum)
0.6
Basic Dynamic Load Rating C (N)
20700
Basic Static Load Rating Co (N)
17300
Reference Weight (kg)
0.017
Grease lubrication
12000
Oil lubrication
14000
NU
NU304
NJ
NJ304
NUP
NUP304
NF
NF304
dc (Minimum)
30
dd (Minimum)
33
NP
NP304
ra1 (Maximum)
0.6
Reference Weight (kg) NU Type
0.15
Model
HJ304

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."

TALK TO AN EXPERT

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