





Recent Purchase
ymt***
category:6888m size 440*540*46 others;
$4720.56
45 days ago
zhf***
category:6888m size 440*540*46 others;
$4130.49
26 days ago
jlx***
category:6888m size 440*540*46 others;
$1770.21
24 days ago
hgj***
category:6888m size 440*540*46 others;
$2950.35
1 day ago
rqc***
category:6888m size 440*540*46 others;
$3540.42
7 days ago
joe***
category:6888m size 440*540*46 others;
$2950.35
38 days ago
lvp***
category:6888m size 440*540*46 others;
$4130.49
45 days ago
usr***
category:6888m size 440*540*46 others;
$590.07
18 days ago
ylc***
category:6888m size 440*540*46 others;
$1180.14
37 days ago
zfb***
category:6888m size 440*540*46 others;
$2950.35
25 days ago
View All
Customer Reviews
Average Rating
4.5





4.5
2 global ratings
5 star
50%
4 star
50%
3 star
0%
2 star
0%
1 star
0%
All Reviews
Image
Recommend
Recent
1***m

Helpful (2)
They deliver fast and easy.
Nov.03.2024

Helpful (2)
Nov.03.2024
1***m

Helpful
I love the clothes I’d spend all my money here if my husband would let me
Apr.10.2024

Helpful
Apr.10.2024
- 1
Thin -walled deep groove ball bearings 6888m 61888m 1000888m inner diameter 440 outer diameter 540 height 46mm
$590.07
category:
6888m size 440*540*46 others
Quantity:
Add to Cart
Wishlist
Features
High-Precision Thin-Walled Deep Groove Ball Bearings 6888M/61888M/1000888M
Ultra-Slim Design for Space Optimization
– Minimal cross-section (440mm ID, 540mm OD, 46mm height) maximizes load capacity in compact assemblies. Ideal for robotics, medical equipment, and aerospace applications.
Premium Chrome Steel Construction
– Forged from high-carbon chromium steel (GCr15) with vacuum degassing for enhanced fatigue resistance. Hardened to HRC 60-64 for extreme durability.
Precision-Ground Raceways
– Mirror-finished grooves reduce friction by 30% vs. standard bearings. Laser-etched seals ensure contaminant exclusion (IP6X rated).
Low-Torque & High-Speed Ready
– Optimized cage design (PA66 reinforced) supports 12,000 RPM. Perfect for CNC spindles and servo motors.
Global Bulk Supply Advantage
– Factory-direct pricing at 40% below market. MOQ flexible from 10 units to 10,000+ with same-day global shipping.
Multi-Industry Proven
– Deployed in automotive steering systems, food processing conveyors, and renewable energy turbines.
Certified Reliability
– ISO 9001, ABEC-3 tolerance (±0.005mm). Includes 24-month performance warranty.
Customization Available
– Request special coatings (NSK-style Teflon or zinc-nickel) for corrosive environments. *Note: Specify model suffix (M = brass cage, ZZ = dual metal shields) in cart.*
See More