Thin Section Bearing Introduction

Thin Section Bearins Overview　　

DRE product line consists of a family of seven open and five sealed series of thin section bearings ranging in bore diameters from 1.000 inch to 40.000 inch. Series range from 187 x .187 inch to 1.000 x 1.000 inch in cross section. When required, we can provide internal fit up, lubricants, separators and other features to meet the most demanding application requirements. To obtain corrosion resistance,DRE can provide corrosion protection series of bearings which are equal to or better than a full AISI 440C stainless steel bearing and can be supplied with very short lead time.We also have stock for thin section bearing.

Specifications for standard DRE thin section bearings

Item	Description
	Material analysis
Races & balls	AISI 52100 Type Steel Vacuum Degassed
Races & balls	AISI 440C Stainless Steel
Separators	Brass or non-metallic composite
C,X bearings	Nylon, fiberglass reinforced
A bearings	Brass or non-metallic composite
	Nylon, fiberglass reinforced
Seals	Rubber
	Heat treatment
Races	Through hardened and dimensionally stabilized for use
Balls	from -65°F to +250°F (-54°C to +121°C)
	AISI 52100—Hardened to Rc 62-66, AISI 440C—to Rc 58-65
	Precision
Race dimensions	P0-P4
Race runouts	P0-P4
Balls	G5-G10
	Diametral clearance and contact angle
Type C bearing	Sufficient diametral clearance to provide small amount of running clearance after installation with recommended fits.
Type X bearing	Gothic Arch Form for two 30° contact angles under light radial gaging load. Sufficient diametral clearance to provide clearance after installation with recommended fits.
Type A bearing	Diametral clearance for 30° contact angle in single
	unmounted bearing under light axial gaging load. Wide
	range of preload or running clearance for matched sets
	Separator design
P&L types
C,X bearings	Circular Ring, Snapped Over Balls for Retention
R&G types
A bearings	Circular Ring, Circular Pockets, Self Retained
Quality control	ISO
Identification	“DRE” and bearing number
Cleaning	Multiple cycle immersion and agitation in solvents and/or aqueous cleaners
Preservative	Preservative Oil
Package	Heat Sealed in Plastic Bag & Boxed

We have the below types for your reference:

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Thin Section Bearing Introduction

Thin Section Bearins Overview

Open Radial Contact Thin Section Ball Bearings (KAA,KA,KB,KC,KD,KF,KG series)

Open Angular Contact Thin Wall Ball Bearings (KAA,KA,KB,KC,KD,KF,KG series)

Open Four Point Contact Thin Section Ball Bearings (KAA,KA,KB,KC,KD,KF,KG series)

Sealed Radial Contact Thin Wall Ball Bearings (JHA,JA,JB,JU.JG series)

SHF

SBR 法 C

全钢载重子午线 C

YRTM 转盘轴承

直线轴

空心轴