JB/T 2561-1991 Types and dimensions of split two-stud positive sliding bearing seats

This standard specifies the types, dimensions and selection requirements of split two-stud positive sliding bearing seats. This standard is applicable to split two-stud positive sliding bearing seats that are subject to radial loads and have an operating environment temperature of -20~80℃. JB/T 2561-1991 Split two-stud positive sliding bearing seat types and dimensions JB/T2561-1991 Standard download decompression password: www.bzxz.net

Mechanical Industry Standard of the People's Republic of China
Split Two-Stud Positive Sliding Bearing Seat
Type and Dimensions
Subject Content and Scope of Application
JB/T 2561-91
Replaces JB2561-79
This standard specifies the type and dimensions of split two-stud positive sliding bearing seats and the selection requirements of bearing seats. This standard is applicable to split two-stud positive sliding bearing seats that bear radial loads and have an operating environment temperature of -20 to 80°C. 2 Reference Standards
GB6403.4 Parts Rounding and Chamfering
JB/T2564 Technical Conditions for Sliding Bearing Seats
3 Type and Dimensions
The type and dimensions of the bearing seat shall comply with the provisions of Figure 1 and the following table. L
Approved by the Ministry of Machinery and Electronics Industry of the People's Republic of China on July 10, 1991388
Implemented on July 1, 1992
130115bZxz.net
4 Requirements for the selection of bearing seats
JB/T2561--91
4.1 The bearing is allowed to bear a small axial load through the shoulder. When the shaft diameter is not less than the outer diameter of the shoulder of the bearing shell, 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 the range of 35° to the left and right of the vertical center line 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 bearing seat should comply with the provisions of JB/T2564. 389
Model and marking
Model description
6.2 Marking example
JB/T2561--91
Bearing inner diameter, mm
-Number of studs in bearing seat
Sliding bearing seat
d=50mm split type 2. Stud positive sliding bearing seat: H2050 bearing seat JB/T2561
Additional instructions:
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. 390
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