JB/T 5302-1991 Spherical ball bearing seat supplementary structure dimensions JB/T5302-1991 standard download decompression password: www.bzxz.net

Mechanical Industry Standard of the People's Republic of China
External spherical ball bearing seat
Supplementary structural dimensions
Subject content and scope of application
JB5302-91
This standard specifies the structural type and external dimensions of the external spherical ball bearing seat (hereinafter referred to as the bearing seat) that are not specified in GB7809. This standard is applicable to five structural types of external spherical ball bearing seats: high-center vertical seat, narrow vertical seat, adjustable diamond seat, hanging seat, and hanging seat.
The bearing seat must be equipped with a lubricating device, and the position of the lubricating device should correspond to the position cover of the bearing oil hole in GB3882. 2 Reference standards
External spherical ball bearing and eccentric sleeve external dimensions GB3882
GB7809
3 Symbols
External spherical ball bearing seat external dimensions
D. : Nominal point diameter of the bearing seat sphere
J: Center distance of the bearing seat screw holebzxz.net
A: Nominal width of the bearing seat, nominal height of the adjustable diamond seat; Diameter of the suspension arm of the suspension seat A:: Adjustable diamond seat, hanging seat seat bottom width A:: Distance from the center of the adjustable diamond seat, hanging seat ball rain to the installation plane C: Distance between the center of the suspension seat sphere and the center of the suspension screw hole F; Depth of the screw hole of the narrow vertical seat; Depth of the suspension thread of the hanging seat II: Vertical Seat center height; Nominal length of adjustable diamond seat; Distance from the center of the ball diameter of the hanging seat to the center of the screw hole; Distance from the center of the ball diameter of the hanging seat to the top of the bearing seat
H,: Nominal height of the bearing seat
H,: Height of the bottom of the vertical seat; Distance from the center of the ball diameter of the hanging seat to the slope of the bottom of the seat j: Height between the centers of the screw holes of the hanging seat
L: Nominal length of the vertical seat; Nominal width of the adjustable diamond seat, hanging seat, and suspension seat M: Suspension type Diameter of seat screw hole
N. Width of screw hole of high center vertical seat; diameter of screw hole of adjustable diamond seat and hanging seat N: adjustable length of screw hole of high center vertical seat P: width of adjustable arm of adjustable diamond seat; width of bottom of hanging seat S: width of adjustable screw hole of adjustable diamond seat
4 Overall dimensions
4.1 High center vertical seat
Approved by the Ministry of Machinery and Electronics Industry on June 25, 1991 151
19 92-07-01 implementation
The outer dimensions of the high center vertical seat are shown in Figure 1 and Table 1. Marking example:
JB5302-91
High center vertical bearing seat ZH505JB5302--91 Figure 1 High center vertical seat ZH505 type
Table 1 High center vertical seat
Bearing seat
4.2 Narrow vertical seat
The outer dimensions of the narrow vertical seat are shown in Figure 2 and Table 2. Marking example:
Vertical bearing seat ZA505JB5302—91
Axis library
4.3Adjustable diamond seat
JB5302---91
Figure 2 Narrow vertical seat ZA505 type
Narrow vertical seat
The external dimensions of the adjustable diamond seat are shown in Figure 3 and Table 3. Marking example:
Adjustable diamond bearing seat LA505JB5302—91e
Figure 3 Adjustable diamond seat LA505 type
Bearing seat
4.4Suspension seat
The external dimensions of the suspension seat are shown in Figure 4 and Table 4. Marking example:
Suspension bearing seat
JB5302-91
JB5302---91
Adjustable diamond seat
Figure 4 Suspension FB505 type
F1B506
FB5027
4.5 Suspension seat
The overall dimensions of the belt seat are shown in Figure 5 and Table 5. Marking example:
Zhi Suspension bearing seat
JB5302-91
JB5302—91
Suspension seat
Figure 5 Suspension seat HA505 type
Additional instructions:
JB5302-91
Suspension seat
This standard is proposed by the National Technical Committee for Standardization of Rolling Bearings. This standard is drafted by Luoyang Bearing Research Institute. The main drafter of this standard is Ma Suqing.
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