ISO 2982-2:2013 pdf download.Rolling bearings一Accessories 一Part 2:Dimensions for locknuts and locking devices.
This part of Iso 2982 specifies:
— dimensions of locknuts;
— runout tolerance of locknut clamp face with respect to pitch diameter of screw thread;
— dimensions of lockwashers with straight inner tab for use with 4-slot locknuts;
— dimensions of locking clip assemblies for use with 8-slot locknuts.
The locknuts are also suitable for axial location of bearing inner rings on shafts and for dismounting of withdrawal sleeves.
For adapter sleeve assemblies and withdrawal sleeves, see 150 2982-1.
2 Normative references
The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
ISO 5593, Rolling bearings — Vocabulary
150 15241, Rolling bearings — Symbols for physical quantities
3 Terms and definitions
For the purposes of this document, the terms and definitions given in ISO 5593 and the following apply.
3.1
locking clip
part in C-shape for securing a locknut
3.2
locking clip assembly
assembly comprising a locking clip and a bolt
4 Symbols
4.1 General
For the purposes of this document, the symbols given in ISO 15241 and the following listed in 4.2, 4.3, 4.4 and 4.5 apply.
The symbols shown in Figure 1, Figure 2, Figure 3 and Figure 4 and the values given in Table 1, Table 2, Table 3 and Table 4 denote nominal dimensions, unless specified otherwise.
4.2 Locknuts with 4 slots
See Figure 1.
B locknut width
b width of slot in locknut
d1 outside diameter of clamp face of locknut
d2 outside diameter of locknut
G designation of screw thread
h depth of slot in locknut
ts runout tolerance of locknut clamp face with respect to pitch diameter of screw thread
4.3 Lockwashers with straight inner tab
See Figure 2.
B7 material thickness of lockwasher
d3 bore diameter of lockwasher
d4 root diameter of outer tab of lockwasher
d5 outside diameter of lockwasher
f width of outer tab of lockwasher
f1 width of inner tab of lockwasher
M distance between inner tab and bore (d3 – height of inner tab)
N minimum number of outer tabs of lockwasher.ISO 2982-2 pdf download.