Home Bearing NSK HR303/28C High Load Metric Tapered Roller Bearing
NSK HR303/28C Bearing

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

NSK Genuine Original

NSK HR303/28C High Load Metric Tapered Roller Bearing
Model / Part No: HR303/28C Catalog ID: MB-4D25D4A4

Brand

NSK

Model / Part No.

HR303/28C

Category

Bearing

Origin

Global

Availability

1520 pcs Ready to Ship
US$ 11.90 / 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 Specifications (For reference only)

Bearing Designation

Bearing Code
HR303/28C

Limiting Speed (rpm)

Grease Lubrication
5600
Oil Lubrication
7500

Weight (kg)

(Reference)
0.335

Overall Dimensions

T
19.75
d
28
D
68
B
18
C
14
Inner Ring r (minimum)
1.5
Outer Ring r (minimum)
1.5

Mounting Dimensions (mm)

Da (Minimum)
57
Db (min)
63
Da (max)
59
d b (Maximum)
38
d a (minimum)
39
Outer Ring r a (maximum)
1.5
S b (minimum)
5.5
Inner Ring r a (maximum)
1.5
S a (minimum)
3

Constant

e
0.52

Rated Load (N)

Cr
49500
Cor
50500

Rated Load {kgf}

Cr
5000
Cor
5150

Axial Load Factor

Y 1
1.2
Y 0
0.64

Center of Pressure Location (mm)

a
17.4

ISO355 Dimension Series (Reference)

ISO355 Dimension series (Reference)
-

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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