SKF self-aligning ball bearing designation

SKF self-aligning ball bearing designation follow a system that may consist of a basic designation with or without one or more prefixes and/or suffixes.

1 Prefixes (n.a.)

2 Basic designation
Listed in SKF bearing designation

3 Suffixes - Internal design
E Optimized internal design for increased load carrying capacity 

4 Suffixes - External design (seals, snap ring groove etc.)
-2RS1 Contact seal, NBR, on both sides 
K Tapered bore, taper 1:12

5 Suffixes - Cage design
M Machined brass cage, ball centred 
TN9 Glass fibre reinforced PA66 cage, ball centred 

6.1 Suffixes - Materials, heat treatment (n.a.) 

6.2 Suffixes - Accuracy, clearance, preload, quiet running
C2 Radial internal clearance smaller than Normal 
C3  Radial internal clearance greater than Normal 

6.3 Suffixes - Bearing sets, matched bearings (n.a.)

6.4 Suffixes - Stabilization (n.a.)

6.5 Suffixes - Lubrication
W64 Solid Oil 

6.6 Suffixes - Other variants (n.a.) 

Related products

Related numbers

SKF 1202ETN9 bearings
15mm x 35mm x 11mm
SKF 1203ETN9 bearings
17mm x 40mm x 12mm
SKF 1204ETN9 bearings
20mm x 47mm x 14mm
SKF 1205ETN9 bearings
25mm x 52mm x 15mm
SKF 1207ETN9 bearings
35mm x 72mm x 17mm
SKF 1208ETN9 bearings
40mm x 80mm x 18mm
SKF 1306ETN9 bearings
30mm x 72mm x 19mm
SKF 1307ETN9 bearings
35mm x 80mm x 21mm