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TimkenL305649-3Tapered Roller Bearing Cone – 2.0000″ Bore, 0.7188″ Width, 60,800 N Dynamic Rating, Class 3 Precision

Condition: New – Open box
Condition Note: Made In USA, Class 3 Precision, New Old Stock

Availability:

3 in stock

Class 3 precision inch taper cone, 0.7188 in width, 60,800 N dynamic and 88,800 N static rating, K factor 1.64. Mates Timken cup L305610 or L305611.

List Price

$37.49

3 in stock

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Specifications

Key Specifications

MFR / BrandTimken
MPNL305649-3
ModelL 305649 #3
Bearing TypeTapered Roller Bearing Cone
ID2.0000 in

Technical Specifications

SeriesL305600
Base NumberL305649
Overall Width0.7188 in
Mpn VariantsL305649-3, L-305649 *3, L305649#3, L 305649 #3, L3056493
Compatible With ReplacesMating cups: Timken L305610, L305611
Precision ClassClass 3
Dynamic Load Rating60,800 N
Static Load Rating88,800 N
Rolling ElementsTapered Roller
Item Weight1.02 kg (2.24 lb)
Number Of Rows1
Bore TypeStraight
Design UnitsImperial
Cone Part NumberL305649
Cone Width0.7188 in
Cone Backface To Clear Radius0.060 in
Cone Frontface Backing Diameter2.20 in
Cage Cone Frontface Clearance0.10 in
Cage Cone Backface Clearance0 in
Effective Center Location-0.1 in

Cross-References

Cross Reference 1SKF L305649
Cross Reference 2FAG K-L305649
Cross Reference 3NSK L305649
Cross Reference 4NTN 4T-L305649
Cross Reference 5Koyo L305649
Cross Reference 6Fersa L305649
Cross Reference 7BCA/Bower L305649
Seller Part Number: BL4#6WE9XQ

Product Description

What this part is

Timken L305649, an inch-series single tapered roller bearing cone — inner ring, tapered rollers and cage as one assembly. Bore Diameter: 2.0000 in (50.8 mm). Overall Width: 0.7188 in (18.258 mm). Item Weight: 1.02 kg (2.24 lb). Dynamic Load Rating: 60,800 N. Static Load Rating: 88,800 N. Rolling Elements: Tapered Roller. Number Of Rows: 1. Bore Type: Straight. Precision Class: Class 3. Unit Quantity: 1 Pc.

Decoding the designation

L — Timken’s inch prefix for a low-section tapered roller series, giving a shallow cross-section for a given bore.

305649 — the cone number in the L305600 series. Base Number: L305649. Series: L305600.

*3 — Precision Class: Class 3. A tighter running tolerance than standard, giving lower running vibration and closer shaft location. The same marking appears as L305649-3, L-305649 *3 and L305649#3.

What these specs mean in practice

K Factor: 1.64. The K factor fixes the ratio of radial to thrust capacity; at 1.64 this raceway angle leans toward radial capacity while still taking significant thrust. Dynamic Axial Rating (Ca90): 9,590 N. Dynamic Radial Rating at 90 million revolutions (C90): 15,800 N. G1 Factor: 38.8. G2 Factor: 29.8. Geometry Factor (Cg): 0.0841, the constant Timken uses in its lubrication life adjustment factor.

Mounting data

Effective Center Location: –0.1 in (–2.5 mm), measured inside the cone back face. Maximum Shaft Fillet Radius: 0.060 in (1.5 mm) — the largest shaft corner radius the cone back face clears. Shaft Backing Shoulder Diameter, Frontface (da): 2.20 in (56 mm). Shaft Backing Shoulder Diameter, Backface (db): 2.28 in (58 mm). Cage Location relative to back face (Aa): 0 in. Cage Location relative to front face (Ab): 0.10 in.

Quantity and configuration

Unit Quantity: 1 Pc. Cone only — inner ring, roller set and cage. The matching cups are the Timken L305610 and L305611.

Interchange guidance

L305649 is the industry designation for this cone and is carried by SKF, FAG as K-L305649, NSK, NTN as 4T-L305649, Koyo, Fersa and BCA/Bower.

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