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Timken52387/52618Tapered Roller Bearing Cone and Cup — 3.7500 in (95.250 mm) Bore, 6.1875 in (157.163 mm) OD, 1.4375 in Width, Class 3

Condition: New – Open box
Condition Note: Made In USA, New Old Stock

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2 in stock

Tapered roller bearing cone and cup set, 3.7500 in (95.25 mm) bore, 6.1875 in (157.163 mm) OD, Class 3 precision, 223,000 N C1. Timken 52375/52618 *3.

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$144.56

2 in stock

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Specifications

Key Specifications

MFR / BrandTimken
MPN52387/52618
Model52375 52618 *3
Bearing TypeTapered Roller Bearing Cone
ID3.7500 in (95.250 mm)
OD6.1875 in (157.163 mm)

Technical Specifications

Series52000
Mpn Variants52375-3/52618-3, 52375/52618 *3, 52375/52618#3, 52375/52618
Precision ClassClass 3
Dynamic Load Rating223,000 N
Static Load Rating343,000 N
Item Weight2.7 kg (5.9 lb)
Number Of Rows1
Harmonization Code8482.20.00
Cup Part Number52618
Cup Width1.0313 in (26.195 mm)
Cup Backface To Clear Radius0.13 in
Cone Part Number52375
Cone Width1.4219 in (36.116 mm)
Cone Backface To Clear Radius0.14 in
Cone Frontface Backing Diameter4.13 in (105 mm)
Cup Frontface Backing Diameter6.00 in (151.90 mm)
Cage Cone Frontface Clearance0.08 in
Cage Cone Backface Clearance0.14 in
Effective Center Location-0.02 in (-0.5 mm)

Cross-References

Cross Reference 1SKF 52375/52618 – standard class, not Class 3
Cross Reference 2NTN 4T-52375/52618 – standard class, not Class 3
Cross Reference 3Koyo 52375/52618 – standard class, not Class 3
Seller Part Number: B-FG4#KCO3UJ

Product Description

What this part is

Timken 52375/52618 *3 is a single-row tapered roller bearing made to precision Class 3: one 52375 cone and one 52618 cup. Bore Diameter: 3.7500 in (95.250 mm). Outside Diameter: 6.1875 in (157.163 mm). Overall Width: 1.4375 in (36.513 mm). Cone Width: 1.4219 in (36.116 mm). Cup Width: 1.0313 in (26.195 mm). Item Weight: 2.7 kg (5.9 lb). Precision Class: Class 3. Rolling Elements: Tapered Roller.

Decoding the designation

52375 — Timken inch-series cone in the 52000 series, 3.7500 in bore.

52618 — the matching single cup, 6.1875 in OD.

*3 — Class 3 precision: tighter bore, OD, width and runout tolerances than standard Class 2 for smoother, lower-vibration running.

What these specs mean in practice

Dynamic Load Rating: 223,000 N (50,200 lbf), Timken C1 at 1 million revolutions. Dynamic Radial Rating C90: 57,900 N (13,000 lbf). Dynamic Axial Rating Ca90: 47,100 N (10,600 lbf). Static Load Rating: 343,000 N (77,000 lbf). e Factor: 0.47. K Factor: 1.23. Y Factor: 1.26.

Mounting data

Effective Center Location: -0.02 in (-0.5 mm). Max Shaft Fillet Radius: 0.140 in (3.600 mm). Max Housing Fillet Radius: 0.130 in (3.30 mm). Shaft Backing Shoulder Diameter, Frontface (da): 4.13 in (105 mm). Shaft Backing Shoulder Diameter, Backface (db): 4.41 in (112 mm). Housing Backing Shoulder Diameter, Frontface (Da): 6.00 in (151.90 mm). Housing Backing Shoulder Diameter, Backface (Db): 5.59 in (141.99 mm).

Quantity and configuration

Unit Quantity: 2 Pcs, one cone and one cup forming one complete single-row bearing. Carton marking: 52375/52618 *3.

Interchange guidance

52375/52618 is an ABMA standard inch set also produced by SKF, NTN (4T-52375/52618), Koyo and Bower. Those are standard-class sets; this *3 set is Timken Class 3 precision.

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