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Technical Parameters:
Product Designations:
72948AC
Structure:
ball bearings
Inside Diameter:
240 mm
Outside Diameter:
320 mm
Thickness:
48 mm
Brand:
KOYO, LYC, NSK, NTN, SKF, THK, TIMKEN, ZWZ，HRB
Precision Rating:
P0,P6,P5,P4,P2
Bearing Material:
bearing steel CGr15, stainless steel , bras
Seals Type:
2RS
Detailed Product Description
72948AC Single Row Angular Contact Ball Bearings For Machine Tool Spindles
| Designations | Principal dimensions(mm) | Basic load ratings(kN) | Function point | Speed ratings (rpm) | Weight (kg) | ||||||
| d | D | B | r12 min | r34 min | dyc (Cr) | stc (Cor) | a | Grease | Oil | ||
| 72948AC | 240 | 320 | 48 | 2.1 | 1.1 | 142 | 250 | 89.3 | 1000 | 1500 | 10 |
Feature: When the single-row angular contact ball bearing is carrying the radial load, they will be a component of force in the axial direction. Therefore it is suggested that two of there bearings be applied in back-to-back or face-to-face arrangements. Single row bearings can carry radial load and axial load in one direction. Double-row angular contact ball bearings have two designs of one outer ring and two inner rings and one outer ring and one inner ring. For the design with one outer ring and two inner rings, the axial clearance is easy to control during machining.
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