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7005UCDB DB Duplex Angular Contact Bearing 25×47×24mm Nylon Cage High Speed Spindle Bearing GQZ
Product Overview
7005UCDB is a factory pre-matched DB back-to-back duplex angular contact ball bearing set, combined with two 7005UC single bearings with 15° small contact angle, overall dimension 25×47×24mm. Equipped with lightweight UC polyamide ball-guided cage, it features ultra-low friction and low temperature rise under continuous high-speed operation. DB back-to-back layout expands load center distance, greatly improving structural rigidity and anti-overturning capacity, stably bearing combined radial load and bidirectional axial load. Open structure adapts circulating oil lubrication to reach ultra-high limiting speed. All bearing pairs are inspected for consistent light preload without secondary adjustment, superfinished raceways and steel balls deliver quiet vibration-free rotation, widely used for miniature high-precision high-speed rotary equipment.
*Send inquiry to get full technical datasheet and factory price of 7005UCDB bearing.
Key Specifications
Specification
Value
Model
7005UCDB
Bore d
25 mm
Outer diameter D
47 mm
Single bearing width B
12 mm
DB back-to-back total width
24 mm
Min chamfer r
0.6 mm
Min chamfer r1
0.3 mm
Contact Angle C
15°
Single dynamic load Cr
9.56 kN
Single static load C0r
5.20 kN
Duplex set dynamic load
15.6 kN
Duplex set static load
10.4 kN
Limiting speed (Grease)
32500 r/min
Limiting speed (Oil)
39000 r/min
Set weight (DB pair)
0.16 kg
Cage
UC Polyamide resin ball-guided cage
Match Arrangement
DB Back-to-Back duplex matched set
Seal Type
Open without seal
Material
GCr15 Chrome Bearing Steel
Precision Class
P0 / P6 / P5 / P4 optional
Preload
Standard light preload factory matched
Main Features
15° small contact angle, excellent ultra-high speed rotation performance
A3: Factory pre-matched standard light preload, ready for assembly.
Q4: Lubrication mode?
A4: Open type, suitable for circulating oil lubrication for ultra-high speed.
Q5: Optional precision grades?
A5: P0 standard, P6, P5, P4 high precision available on request.
*Stable stock for single row angular contact bearings, support fast bulk order shipment.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Distributor/Wholesaler,Exporter,Trading Company
Year Established:
1989
Total Annual:
1000000-10000000
Employee Number:
10~100
Ecer Certification:
Verified Supplier
Established in 1999, Wuxi Guangqiang Bearing Trade Co.,Ltd works hard in researching and manufacturing high quality bearings and rely on it's advantages of strong technologies, advanced equipment, professional technical team, quality production and reasonable prices has gain a broad... Established in 1999, Wuxi Guangqiang Bearing Trade Co.,Ltd works hard in researching and manufacturing high quality bearings and rely on it's advantages of strong technologies, advanced equipment, professional technical team, quality production and reasonable prices has gain a broad...