559/552A Bearing SET214 Tapered Roller Bearing SET214-900SA

Cone Number: 559
Cup Number: 552A
Bore: 63.5 mm
Outer Diameter: 123.825mm
Inner Ring Width: 36.678mm
Total Width: 38.1mm
Mass: 2.01kg/ 4.43lb
Material: chrome steel

559/552A Bearing Description:

559/552A Bearing Cone: 559
Cup Number: 552A
Bore: 63.5 mm
Outer Diameter: 123.825mm
Inner Ring Width: 36.678mm
Total Width: 38.1mm
Mass: 2.01kg/ 4.43lb
Material: chrome steel
Hardness: 58-64HRC
Cage: steel cage
Lubrication: grease or oil
Category: single row taper roller bearing
Operating Temperature: -30 °C to 120 °C
Meaning of Suffix “A”: modified internal design
Equivalents: 559 / 552A, 559-552A, SET214, SET 214, SET214-900SA, 4T-559/552A, 559-99401

FAQs:

Question 1: What is a 559/552A Bearing?
Answer: It is a single-row tapered roller bearing set (cone + cup) designed to support combined radial and axial loads.

Question 2: What applications use this bearing?
Answer: 559-552A bearings are widely used in automotive wheel ends, trailers, axles, and industrial gear/drive assemblies where high load capacity matters.

Question 3: Does this roller bearing handle axial (thrust) loads?
Answer: Yes. The tapered roller design supports axial loads in one direction and also handles radial loads at the same time.

Question 4: Does this tapered roller bearing include both cup and cone?
Answer: Yes, we supply it as a matched set with cone 559 and cup 552A.

Question 5: What lubrication does the tapered roller bearing need?
Answer: Most wheel-end uses require high-quality bearing grease (or oil lubrication in some industrial setups). Match lubrication type to speed, temperature, and load requirements.

Questions that help when 559/552A and SET214 is on the shortlist

When is 559/552A and SET214 worth comparing against nearby taper roller bearings options?

Comparison helps when dimensional fit is only part of the decision and load direction, sealing, clearance, speed, temperature, or repeat-order stability still need to be confirmed. Reviewing one or two nearby options early usually reduces sourcing mistakes later.

What details usually matter before approving 559/552A and SET214 for repeat supply?

Buyers normally confirm the part reference, main dimensions, application, speed range, operating environment, sealing needs, and any packaging or marking requirements. That gives the supplier a cleaner basis for confirming availability and suitable alternatives.

Which next step usually helps after 559/552A and SET214 is shortlisted?

A quick review of Taper Roller Bearings, one more commercial destination, and one practical guide usually saves time. That combination helps separate simple replacement orders from jobs that still need fit or application review.

Why keep a supporting guide linked beside 559/552A and SET214?

Because it makes later decisions faster. When sizing notes, application cues, and nearby options stay close to the product, engineering, purchasing, and maintenance teams can revisit the same logic without starting the review from zero.