Blog
ZARN Series Lathe Spindle Bearings
ZARN Series Lathe Spindle Bearings Components:
ZARN Series Lathe Spindle Bearings including a thickened outer ring, needle roller cage assembly, needle roller inner ring, two thrust cylindrical roller cage assemblies and two inference shaft rings.
Thefore, ZARN bearing is equivalent to a combined bearing of one set of needle roller bearings and two sets of thrust cylindrical roller bearings.
Moreover, the centers of the two thrust cylindrical roller bearings coincide with the centers of the needle roller bearings.
ZARN Series Lathe Spindle Bearings Structure:
Lathe Spindle Bearings Features:
1. Double direction needle roller/axial cylindrical roller bearings.
2. High speed. Limiting speed can reach 3000-8500rpm for oil lubrication.
3. High precicion. The axial runout accuracy of ZARN series bearings can reach 1μm
4. The bearing can withstand greater radial/axial load and has higher radial/axial rigidity
5. Compact structure and small size
6. Wide practicability, easy to install
ZARN Spindle Bearings Size Chart:
| Shaft Diameter (mm) | Bearing Model | Mass (g) | d (mm) | D (mm) | H (mm) |
| 15 | ZARN1545TN | 340 | 15 | 45 | 40 |
| 17 | ZARN1747TN | 370 | 17 | 47 | 43 |
| 20 | ZARN2052TN | 410 | 20 | 52 | 46 |
| ZARN2062TN | 870 | 20 | 62 | 60 | |
| 25 | ZARN2557TN | 530 | 25 | 57 | 50 |
| ZARN2572TN | 1170 | 25 | 72 | 60 | |
| 30 | ZARN3062TN | 600 | 30 | 62 | 50 |
| ZARN3080TN | 1500 | 30 | 80 | 66 | |
| 35 | ZARN3570TN | 800 | 35 | 70 | 54 |
| ZARN3585TN | 1850 | 35 | 85 | 66 | |
| 40 | ZARN4075TN | 900 | 40 | 75 | 54 |
| ZARN4090TN | 2090 | 40 | 90 | 75 | |
| 45 | ZARN4580TN | 1120 | 45 | 80 | 60 |
| ZARN45105TN | 3020 | 45 | 105 | 82 | |
| 50 | ZARN5090TN | 1430 | 50 | 90 | 60 |
| ZARN50110TN | 3300 | 50 | 110 | 82 | |
| 55 | ZARN55115TN | 3500 | 55 | 115 | 82 |
| 60 | ZARN60120TN | 3700 | 60 | 120 | 82 |
| 65 | ZARN65125TN | 4000 | 65 | 125 | 82 |
| 70 | ZARN70130TN | 4100 | 70 | 130 | 82 |
| 75 | ZARN75155TN | 7900 | 75 | 155 | 100 |
| 90 | ZARN90180TN | 11800 | 90 | 180 | 110 |
ZARN Bearing Model Suffix Meaning:
TN/TV: Injection moulded cage of polyamide 6.6, rolling element centered
L: Long shaft locating washer
A：The significance of this sign is not determined separately.
They are in need for appointment of special features 0f the construction of internal form external uses.
Contact Us:
If you have any questions about ZARN Lathe Spindle Bearings, pls feel free contact us.
We will give you reply within 12 hours !
Questions that usually come up after ZARN Series Lathe Spindle Bearings
Which next options usually help after reviewing ZARN Series Lathe Spindle Bearings?
Most buyers benefit from one broader family destination, one more commercial route, and one supporting guide that answers the next practical question. That combination usually turns research into a clearer shortlist.
Why add related bearing destinations beside ZARN Series Lathe Spindle Bearings?
Because the first answer often leads to a second question about fit, applications, supplier choice, or repeat-order confidence. Keeping those next destinations close reduces unnecessary backtracking.
When is it worth moving from reading into a quote or product review?
That move usually makes sense once the topic has narrowed the likely bearing family and the remaining unknowns are commercial, dimensional, or application-specific rather than purely educational.
What usually makes the next bearing decision easier after ZARN Series Lathe Spindle Bearings?
The process is often easier when the wider family view, the more commercial destination, and one practical guide stay visible together. That keeps the decision grounded in both application detail and buying reality.
Buyer FAQ
Questions buyers ask before choosing the next bearing option
What is the main takeaway from ZARN Series Lathe Spindle Bearings?
The main takeaway is that zarn series lathe spindle bearings should be checked against the bearing family, dimensions, load direction, speed, and operating conditions instead of relying on the title or size alone.
When should I use this guide before requesting a quote?
Use the guide when you are comparing bearing models, checking suffix meanings, confirming seal or clearance choices, planning maintenance, or preparing details for replacement, production, or OEM sourcing.
How does this topic connect to precision / spindle bearings?
The topic supports the Precision / Spindle Bearings decision path by helping buyers understand fit, performance, specification details, or maintenance factors before choosing a product page or contacting the team.
Can this guide replace a final specification check?
No. The guide helps prepare the decision, but a final check should still confirm the part number, dimensions, load, speed, seal, clearance, precision, application, and order quantity.
What should I send if I need help after reading this guide?
Send the bearing number, measured size, photos if available, application, quantity, and any special operating conditions. That gives the team enough context to recommend the right product family or quote route.
Need help checking fit, price, or lead time? Request a bearing quote
