Home Bearing SNR 31311A Metric Series Tapered Roller Bearing High Capacity
SNR 31311A Bearing

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

SNR Genuine Original

SNR 31311A Metric Series Tapered Roller Bearing High Capacity
Model / Part No: 31311A Catalog ID: MB-16725CB9

Brand

SNR

Model / Part No.

31311A

Category

Bearing

Origin

Global

Availability

330 pcs Ready to Ship
US$ 55.40 / 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 Specifications (For reference only)

Model / Part Number
31311-A
D
55
C
21
B
29
D1 ≈
88
a ≈
39
da min
94
Da max
68
Dynamic Radial Load Cr
123000
Static radial load Cor
139000
Fatigue limit load Cur (N)
16400
Mass per meter approx (kg)
1.57
Limiting speed nG (rpm)
5600
Db min
65
ra max
2.5
rb max
2
E
0.83
Interchangeable Model per ISO 355
T7FB055
X-life
-
T
31.5
r1, r2 min
2.5
r3, r4 min
2
Ca min
4
Cb min
10.5
Y
0.73
Y0
0.4
Reference Speed nB rpm
4100
Suffix A: Modified internal design.

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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