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Dodge F4B-E-303R four-bolt flange bearing in plastic wrap next to its original labeled cardboard box

Dodge F4B-E-303R four-bolt flange tapered roller bearing with gray cast housing and set screw

Dodge F4B-E-303R four-bolt flange tapered roller bearing with set screw, gray cast housing

Close-up of Dodge F4B-E-303R bearing housing with nameplate reading 3-3/16 Type E, Timken tapered roller bearings

Close-up of Dodge F4B-E-303R bearing housing showing nameplate: 3-3/16 in bore, Type E, with Timken tapered roller bearings

Dodge F4B-E-303R four-bolt flange tapered roller bearing with set screw, viewed from the front

Close-up of Dodge F4B-E-303R four-bolt flange bearing's inner bore, showing Timken race markings and set screw holes

Dodge F4B-E-303R four-bolt flange tapered roller bearing with set screw and 3-3/16 in bore

Close-up of Dodge F4B-E-303R four-bolt flange tapered roller bearing showing bore and set screw

Dodge F4B-E-303R four-bolt flange tapered roller bearing with set screw, viewed end-on showing bore and bolt slots

Dodge F4B-E-303R four-bolt flange tapered roller bearing, close-up of set screw collar and bore

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DodgeF4B-E-303RFour-Bolt Flange Tapered Roller Bearing — 3-3/16 in Bore, Set Screw, Non-Expansion, 7.00 in Bolt Spacing

Name: Dodge F4B-E-303R Four-Bolt Flange Tapered Roller Bearing — 3-3/16 in Bore, Set Screw, Non-Expansion, 7.00 in Bolt Spacing
Brand: Dodge
SKU: B-BF5#RRKXU1
Price: 572.98 USD
Availability: InStock

Condition: New

Availability:

1 in stock

Categories: Bearings, 4-Bolt Flange Bearing

Dodge Type E-Xtra four-bolt square flange tapered roller bearing, 3-3/16 in bore, set screw locking, 7.00 in bolt spacing, cast iron. Dodge part 023112.

List Price

$572.98

1 in stock

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Specifications

Key Specifications

MFR / Brand	Dodge
MPN	F4B-E-303R
Model	F4BE303R
ID	3-3/16 in

Technical Specifications

Material	Cast Iron
Type	4-Bolt Flange Bearing
Base Number	F4B-E
Industry Terms	Type E-Xtra; mounted tapered roller bearing; four-bolt flange block; flange unit
Common Misspellings	F4BE303R; F4B E 303R; F2BE303R
Application Types	Air handling; mining; aggregate and cement; paper and forest; food and beverage; conveyors
Bolt Center To Center Length	7.00 in
Number Of Bolt Holes For Fasteners	4
Bearing Insert Type	Tapered Roller
Bore Shaft Size	3-3/16 in
Housing Style	4-Bolt Square Flange
Locking Method	Set screw, 65° spacing
Relubrication	Yes, 1/8-27 NPT grease fitting
Mpn Variants	F4B-E-303R; F4BE303R; 023112; DOD023112; F2B-E-303R
Manufacturer Status	Active
Compatible With Replaces	Dodge 023112
Additional Attributes	Dodge Part Number: 023112; Series: Type E-Xtra; Bolt Size: 3/4 in; Flange Width: 9.25 in; Overall Length: 5.00 in; Grease Fitting: 1/8-27 NPT
Bearing Type	Tapered Roller
Item Weight	52 lb (23.6 kg)
Housing Material	Gray cast iron
Expansion Type	Non-expansion

Cross-References

Cross Reference 1	SKF F4BE 303-TRB-STH
Cross Reference 2	Dodge P2B-E-303R – 2-bolt pillow block, not flange

Seller Part Number: B-BF5#RRKXU1

Product Description

What this part is

Dodge F4B-E-303R, part number 023112. A Type E-Xtra four-bolt square flange unit with a tapered roller bearing insert for combined radial and thrust loads. Bore / Shaft Size: 3-3/16 in. Housing Material: Gray cast iron. Item Weight: 52 lb (approx.).

Decoding the designation

F4B — four-bolt flange housing.

E — Dodge Type E mounted tapered roller bearing family.

303 — shaft size 3-3/16 in.

R — Type E-Xtra set screw locking execution.

What these specs mean in practice

Bearing Type: Tapered roller. Locking Method: Set screw collars at each end of the extended inner race, 65° set screw spacing. Expansion Type: Non-expansion. Relubrication: 1/8-27 NPT hydraulic grease fitting.

Mounting data

Housing Style: 4-bolt square flange. Bolt Center To Center Length: 7.00 in. Number Of Bolt Holes For Fasteners: 4. Bolt Size: 3/4 in. Flange Width: 9.25 in. Overall Length: 5.00 in.

Interchange guidance

Same shaft size and housing as SKF F4BE 303-TRB-STH in SKF’s Type E interchange table. Two-bolt pillow block of the same size: Dodge P2B-E-303R (023019).