4.059 Combined Roller Bearings Specification:
4.059 combined roller bearings are widely used in vertical & horizontal linear motion applications.
For this bearing model number,
D: 101.2
T: 67
d: 50
H: 46
h: 33
Weight: 1.74kg
Certificate: ISO9001: 2015
Lubrication: with grease grade 3 (for example, Shell Alvania 3, Esso Beacon 3)
Bearing category: composite roller bearings, cross composite bearings, combined bearing
Bearing structure is as below,

combined bearing structure
Comibination Bearing Size Chart:
| Italy No. | China No. | Germany No. | D (mm) | T (mm) | d (mm) | H (mm) | h (mm) | Weight (kg) |
| | | MR0706 | 4.053 | 52.5 | 40 | 30 | 33 | 27 | 0.46 |
| MR0021 | CRF62 | ZGN306230E | MR0001 | 4.054 | 62 | 42 | 30 | 37.5 | 30.5 | 0.53 |
| MR0022 | CRF70.1 | ZGN357036E | MR0002 | 4.055 | 70.1 | 48 | 35 | 44 | 36 | 0.8 |
| MR0023 | CRF77.7 | ZGN407736E | MR0003 | 4.056 | 77.7 | 54 | 40 | 48 | 36.5 | 1 |
| MR0024 | | | MR0004 | 4.057 | 77.7 | 54 | 40 | 40.7 | 29 | 0.87 |
| MR0025 | CRF88.4 | ZGN458844E | MR0005 | 4.058 | 88.4 | 59 | 45 | 57 | 44 | 1.62 |
| | | | 4.059 | 101.2 | 67 | 50 | 46 | 33 | 1.74 |
| | | | 4.060 | 107.7 | 71 | 55 | 53 | 40 | 2.27 |
| MR0027 | CRF107.7 | ZGN6010755E | MR0007 | 4.061 | 107.7 | 71 | 60 | 69 | 55 | 2.82 |
| MR0029 | CRF123 | ZGN6012356E | MR0009 | 4.062 | 123 | 80 | 60 | 72.3 | 56 | 3.89 |
| MR0030 | CRF149 | | MR0010 | 4.063 | 149 | 108 | 60 | 78.5 | 58.5 | 6.52 |
Advantages:
1. 4.059 bearing has special design which reduce production costs.
2. Bearings 4.059 can bear high radial and axial loads.
3. The sturdy guide rail is suitable for high dynamic and static loads. Thus bearing capacity can be well distributed on the guide rail.
As a result, both combination bearings 4.059 and guide rails have a long service life.
Questions that help when 4.059 Combined Roller Bearings 50*101.2*67 is on the shortlist
When is 4.059 Combined Roller Bearings 50*101.2*67 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 4.059 Combined Roller Bearings 50*101.2*67 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 4.059 Combined Roller Bearings 50*101.2*67 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 4.059 Combined Roller Bearings 50*101.2*67?
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.