JB/T 2562-1991 Types and dimensions of split four-stud positive sliding bearing seats

This standard specifies the types, dimensions and selection requirements of split four-stud positive sliding bearing seats. This standard is applicable to split four-stud positive sliding bearing seats that are subject to radial loads and have an operating environment temperature of -20~80℃. JB/T 2562-1991 Split four-stud positive sliding bearing seat types and dimensions JB/T2562-1991 Standard download decompression password: www.bzxz.net

Mechanical Industry Standard of the People's Republic of China
Split Four-Stud Positive Sliding Bearing Seat
Type and Dimensions
1 Subject Content and Scope of Application
JB/T2562-91
Replaces JB2562-79www.bzxz.net
This standard specifies the type and size of split four-stud positive sliding bearing seats and the selection requirements of bearing seats. This standard is applicable to split four-stud positive sliding bearing seats that bear radial loads and have an operating environment temperature of -20~~80C. 2 Reference Standards
GB6403.4 Parts Rounding and Chamfering
JB/T2564 Technical Conditions for Sliding Bearing Seats
3 Type and Dimensions
The type and size of the bearing seat shall comply with the provisions of Figure 1 and the following table. Figure 1
Approved by the Ministry of Machinery and Electronics Industry of the People's Republic of China on July 10, 1991 and implemented on July 1, 1992
250270
Selection requirements for bearing seats
245295
265360
JB/T 2562-—91
4.1 The bearing is allowed to bear a small axial load through the shoulder. When the shoulder diameter is not less than the outer diameter of the bearing shoulder, the axial load allowed is not more than 30% of the maximum radial load.
4.2 The load direction of the bearing seat should be within 35° to the left and right of the vertical centerline of the bearing, as shown in Figure 2. The shaded part in the figure is the range of radial load allowed.
4.3 The surface of the journal that matches the bearing seat should be hardened. 4.4 The fillet size of the journal should be selected according to GB6403.4. 5 Technical conditions
The technical conditions of the split four-stud positive sliding bearing seat shall comply with the provisions of JB/T2564. 392
Model and marking
6.1 Model description
6.2 Marking example
JB/T2562-91
D=80mm split four-stud positive sliding bearing seat: H4080 bearing seat JB/T2562
Additional instructions:
Bearing inner diameter, mm
Number of studs in the bearing seat
Sliding bearing seat
This standard is proposed and managed by the Xi'an Heavy Machinery Research Institute of the Ministry of Machinery and Electronics Industry. This standard is drafted by the Second Heavy Machinery Plant. 393
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