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Timken78225C/78551Tapered Roller Bearing Cone and Cup — 2-1/4 in Bore, 5.513 in OD, 1.4375 in Width, Single Row

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

Availability:

4 in stock

Tapered roller bearing cone and cup, 2-1/4 in bore, 5.513 in OD, 1.4375 in width. Timken 78225C/78551 set, C1 237,000 N, C0 234,000 N, single row TS.

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$97.50

4 in stock

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Specifications

Key Specifications

MFR / BrandTimken
MPN78225C/78551
GTIN053893799186
Model78225 C / 78551
Bearing TypeTapered Roller Bearing Cone
ID2-1/4 in (57.150 mm)
OD5.5130 in (140.030 mm)

Technical Specifications

Series78000C
Total Width1.4375 in (36.513 mm)
Mpn Variants78225C/78551, 78225-C/78551, 78225C-78551, 78225C 78551
Precision ClassNot specified
K Factor0.67
E Factor0.87
Dynamic Load Rating237,000 N
Static Load Rating234,000 N
Item Weight2.7 kg (5.9 lb)
Number Of Rows1
Harmonization Code8482.20.00
Cup Part Number78551
Cup Width0.9260 in (23.520 mm)
Cup Backface To Clear Radius0.13 in
Cone Part Number78225C
Cone Width1.3085 in (33.236 mm)
Cone Backface To Clear Radius0.14 in
Cone Frontface Backing Diameter3.05 in
Cup Frontface Backing Diameter5.24 in
Effective Center Location0.33 in (8.4 mm)
Seller Part Number: BN2#H0DPA5

Product Description

What this part is:

Timken 78225C/78551 single-row TS tapered roller bearing, supplied as the cone and its matching cup. Cone Part Number: 78225C. Cup Part Number: 78551. Bore Diameter: 2-1/4 in (57.150 mm). Outside Diameter: 5.5130 in (140.030 mm). Total Width: 1.4375 in (36.513 mm). Cone Width: 1.3085 in (33.236 mm). Cup Width: 0.9260 in (23.520 mm). Item Weight: 2.7 kg (5.9 lb). Precision Class: Not specified. Rolling Elements: Tapered Roller. Brand: Timken. GTIN: 0053893799186.

Decoding the designation:

78225C — the cone: inner ring with its rollers and cage, C execution with higher load ratings than the plain 78225.

78551 — the cup: the outer race the rollers run against.

What these specs mean in practice:

Dynamic Radial Load Rating, 1M revs (C1): 237,000 N (53,200 lbf). Dynamic Radial Load Rating, 90M revs (C90): 61,300 N (13,800 lbf). Dynamic Axial Rating, 90M revs (Ca90): 90,900 N (20,400 lbf). Static Load Rating (C0): 234,000 N (52,600 lbf). e Factor: 0.87. K Factor: 0.67. Y Factor: 0.69.

Mounting data:

Effective Center Location: 0.33 in (8.4 mm). Maximum Shaft Fillet Radius: 0.140 in (3.600 mm). Maximum Housing Fillet Radius: 0.090 in (2.29 mm). Shaft Backing Shoulder Diameter, Frontface (da): 3.05 in (77.5 mm). Shaft Backing Shoulder Diameter, Backface (db): 3.39 in (86 mm). Housing Backing Shoulder Diameter, Frontface (Da): 5.22 in (132.59 mm). Housing Backing Shoulder Diameter, Backface (Db): 4.61 in (117.09 mm).

Quantity and configuration:

Unit Quantity: 1 Pc. One cone and one cup, a complete single-row bearing.

Interchange guidance:

Related Part: Timken 78225/78551, the same envelope with the plain 78225 cone. MPN Variants: 78225C/78551, 78225-C/78551, 78225C-78551, 78225C 78551.

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