Stainless · 1600 Series

S1638

Stainless Steel 1600 Series Deep Groove Ball Bearings

The S1638 designation defines the size and shape of this ball bearing. Materials, clearances and tolerances can be tailored to your application during quotation — the specifications below are the standard configuration.

d · Bore0.75 in
D · OD2 in
B · Width0.562
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S1638 - 1600 Series - ZGBK Bearings

Specifications — S1638

Bearing Dimensions

d (inch)0.75
D (inch)2
B-Open0.562
Sealed / shielded versions (2RS, ZZ): width B may differ slightly depending on the seal type. Contact us for exact figures.

Load Ratings

Cor (KN)4.534
Cr (KN)7.4651
Need a higher capacity or special clearance? Request a quote — our engineers reply within 24 hours.

Design & Construction

SerieStainless Steel 1600 Series Deep Groove Ball Bearings
MaterialAISI 440C stainless steel
Bearing typeBall bearing
Ball NO.10
Ball Size6.35
Weight (kg)0.1202

Further Specifications

B-Shield/Seal0.562

Lubrication & Operating Temperature

  • Open version: oil lubrication recommended for maximum speed.
  • Sealed version (2RS): maintenance-free grease lubrication.
  • Standard greases typically limit continuous operation to about 120 °C; the AISI 440C stainless rings and cage permit up to 150 °C.
  • Food-grade (H1) or high-temperature lubrication available on request — contact us.

Typical Applications

Every batch is inspected for dimensional tolerance, noise and vibration levels before shipment.

About the S1638

The S1638 is a 1600 Series stainless steel bearing manufactured by ZGBK Bearings (Wuxi, China). It features a bore (inner diameter) of 0.75 in, an outer diameter of 2 in, a width of 0.562. Built from corrosion-resistant AISI 440C stainless steel, it is suited to food processing, medical, marine and chemical equipment where reliability in harsh environments matters. Full specifications are listed below.

ZGBK manufactures the S1638 as part of the Stainless Steel 1600 Series Deep Groove Ball Bearings, using AISI 440C stainless steel for superior corrosion resistance in wet, chemical and food-grade environments. Every batch is inspected for dimensional tolerance, noise and vibration levels before shipment. As a direct factory in Wuxi, China, we support small-batch orders, custom dimensions and fast samples for qualified buyers.

Need S1638 — or a custom variant?

Direct from our Wuxi factory: small batches, custom dimensions, fast samples. Reply within 24 hours.