4.055 Composite Roller Bearing Data Sheet:
4.055 composite roller bearing is assembled by axial and radial two roller bearings.
| Type | ArtikelNr. | D mm | T mm | d -0.05 mm | H mm | h mm | B mm | A mm | S mm | r mm |
|---|
| 4.055 | 200.002.000 | 70.1 | 48 | 35 | 44.0 | 36.0 | 23 | 2.5 | 22 | 4 |
Weight: 0.8kg
Bolt tolerance: –0.05 mm
Outer ring: Case-hardened steel UNI 20 MNCr 5
Inner ring: Hardened steel En 31 – SAE 52100
Cylindrical roller: En 31-SAE 52100 steel
Lubrication: Grade 3 grease,for example, Shell Alvania 3, Esso Beacon 3
Structure: Combined bearing, combination bearing, high load cam followers
Also Known As: 4.055, MR0022, MR 0022, MR-0022, MR0002, MR 0002, MR-0002, 40055, etc

Bearing Applications:
Combination bearings are widely used in many applications as below,
– Palletizers
– ASRS Systems
– Froklift trucks
– Shrink-wrappers
– Cranes and hoists
– Horizontal and vertical feed and lift units
– Material handling loaders and unloading machines
40055 Bearing Photo:

Questions that help when MR0022 is on the shortlist
When is MR0022 worth comparing against nearby other ball & 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 MR0022 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 MR0022 is shortlisted?
A quick review of Other Ball & 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 MR0022?
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.