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Timken 52393-3/52637D-3 tapered roller bearing assembly in original cardboard box and wrapped paper packaging

Timken 52393-3/52637D-3 two-row TDO tapered roller bearing assembly, wrapped in protective paper

Timken 52637D cup of the 52393-3/52637D-3 two-row TDO tapered roller bearing assembly, marked Made in USA

Timken 52393-3/52637D-3 two-row TDO tapered roller bearing assembly, showing rollers and stamped markings

Timken 52393-3/52637D-3 two-row TDO tapered roller bearing assembly, close-up of bore and markings

Close-up of Timken 52393-3/52637D-3 two-row TDO tapered roller bearing assembly showing engraved markings

Timken 52393-3/52637D-3 two-row TDO tapered roller bearing assembly with cones, double cup, and spacer

Timken 52637D cup of a two-row TDO tapered roller bearing assembly, with cone and rollers partly visible

Close-up of Timken 52393-3/52637D-3 tapered roller bearing cup showing outer race with lubrication holes

Timken 52393-3/52637D-3 two-row TDO tapered roller bearing cones with cup visible in background

Timken 52393-3/52637D-3 tapered roller bearing cup ring beside the cone and roller assembly

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Timken52393-3/52637D-3Two-Row TDO Tapered Roller Bearing Assembly – 3.9375 in Bore, 6.3750 in OD, 2.2500 in Cup Width, 1.4219 in Cone Width, Class 3

Name: Timken 52393-3/52637D-3 Two-Row TDO Tapered Roller Bearing Assembly – 3.9375 in Bore, 6.3750 in OD, 2.2500 in Cup Width, 1.4219 in Cone Width, Class 3
Brand: Timken
SKU: CD2#DHWFM7
Price: 240.94 USD
Availability: InStock

Condition: New – Open box

Condition Note: Made In USA, Class 3 Precision, (2) 52393 *3 (1) 52637-D *3 (1) X1S-52393, New Old Stock

Availability:

1 in stock

Categories: Bearings, Tapered Roller Bearing Cone

Two-row TDO tapered roller bearing assembly, 3.9375 in bore, 6.3750 in OD, Class 3 precision. Timken 52393-3/52637D-3: two cones, double cup and spacer.

List Price

$240.94

1 in stock

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Specifications

Key Specifications

MFR / Brand	Timken
MPN	52393-3/52637D-3
Model	52393 3 / 52637-D 3 / X1S-52393 (DBB-82-103)
Bearing Type	Tapered Roller Bearing Cone
ID	3.9375 in (100.013 mm)
OD	6.3750 in (161.925 mm)

Technical Specifications

Series	52000
Mpn Variants	52393-3/52637D-3, 52393-3, 52393 3, 52637D-3, 52637-D 3, X1S-52393, DBB-82-103
Precision Class	Class 3
Rolling Elements	Tapered Roller
Number Of Rows	2
Harmonization Code	8482.2
Cup Part Number	52637D-3
Bearing Material	Case-Hardened Steel
Cup Width	2.2500 in (57.150 mm)
Cup Backface To Clear Radius	0.06 in
Cone Part Number	52393-3
Cone Width	1.4219 in (36.116 mm)
Cone Backface To Clear Radius	0.14 in
Cone Frontface Backing Diameter	4.41 in
Cup Frontface Backing Diameter	6.06 in
Cage Cone Frontface Clearance	0.08 in
Cage Cone Backface Clearance	0.14 in
Effective Center Location	-0.32 in

Seller Part Number: CD2#DHWFM7

Product Description

What this part is

Timken 52393-3/52637D-3 two-row TDO tapered roller bearing assembly. Rolling Elements: Tapered Roller. Number Of Rows: 2. Bore Diameter: 3.9375 in (100.013 mm). Outside Diameter: 6.3750 in (161.925 mm). Cup Width: 2.2500 in (57.150 mm). Cone Width: 1.4219 in (36.116 mm). Precision Class: Class 3. Bearing Material: Case-Hardened Steel.

Decoding the designation

52393-3 — Timken 52000-series cone (inner ring, rollers and cage), 3-15/16 in bore, Class 3 precision.

52637D-3 — Timken double cup taking two cones, 6-3/8 in outside diameter, Class 3 precision.

X1S-52393 — Timken cone spacer sized for the 52393 cone.

-3 — Timken Class 3 precision: tighter tolerance and lower running runout than standard-class parts.

What these specs mean in practice

A TDO (tapered double outer) assembly runs two cones in one double cup, separated by the cone spacer, and carries radial load and axial load in both directions.

Mounting data

Cone Frontface Backing Diameter: 4.41 in. Cone Backface To-Clear Radius: 0.14 in. Cup Frontface Backing Diameter: 6.06 in. Cup Backface To-Clear Radius: 0.06 in. Cage-Cone Frontface Clearance: 0.08 in. Cage-Cone Backface Clearance: 0.14 in. Effective Center Location: -0.32 in.