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Industrial Mechanic 2nd Block, Harmonized > Bearing ISO codes > Flashcards

Bearing ISO codes Flashcards

1
Q

6XXX

A

Single row deep groove ball bearing, or Conrad

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2
Q

0XXX

A

Double row angular contact ball bearing

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3
Q

1XXX

A

double row self aligning ball bearing

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4
Q

2XXX

A

spherical roller bearing

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5
Q

3XXX

A

Tapered roller bearing

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6
Q

4XXX

A

Double row deep groove ball bearing

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7
Q

5XXX

A

Ball thrust bearing

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8
Q

7XXX

A

Single row angular contact bearing

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9
Q

8XXX

A

Cylindrical roller thrust bearing

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10
Q

NXXX

A

Single row cylindrical roller radial load bearing

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11
Q

NNUXXX

A

Double row cylindrical roller bearing

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12
Q

QJXXX

A

Four point angular contact bearing

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13
Q

X0XX

A

Series 00 Ultra Light

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14
Q

X1XX

A

Series 100 Extra Light

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15
Q

X2XX

A

Series 200 Light

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16
Q

X3XX

A

Series 300 Medium

17
Q

X4XX

A

Series 400 Medium

18
Q

XX00

A

10mm Bore

19
Q

XX01

A

12mm Bore

20
Q

XX02

A

15mm Bore

21
Q

XX03

A

17mm Bore

22
Q

XX04

A

20mm Bore

Note: From 20-480mm multiply the last two digits of bearing number by 5 to get the bore

23
Q

XX05

A

25mm Bore

Note: From 20-480mm multiply the last two digits of bearing number by 5 to get the bore

24
Q

XX30

A

150mm Bore

Note: From 20-480mm multiply the last two digits of bearing number by 5 to get the bore

25
Q

XX500

A

500mm bore

Note: Above 480mm bore size is directly included

26
Q

XXXXK

A

tapered bore, 1:12 taper

27
Q

XXXXK30

A

tapered bore, 1:30 taper

28
Q

XXXX Z

A

Shielded bearing

29
Q

XXXX RS

A

Rubbing seal

30
Q

XXXX 2RS

A

Rubbing seals, both sides

31
Q

XXXX P2

A

Small tolerance

32
Q

XXXX P6

A

Large tolerance

33
Q

XXXX C1

A

Smallest clearance

Used only when freedom from all vibration is required

Note: No mark indicates normal clearance

34
Q

XXXX C2

A

Less than normal clearance

Used when a normal bearing would allow too much deflection in the shaft

Note: No mark indicates normal clearance

35
Q

XXXX C3

A

More than normal clearance

Used where running temperature on a normal bearing would eliminate all clearance

Note: No mark indicates normal clearance

36
Q

XXXX C4

A

More clearance than C3

Used when there are press fits on both rings

Note: No mark indicates normal clearance

37
Q

XXXX C5

A

More clearance than C4

Used when there are press fits in both rings, as well as a rise in temperature

Note: No mark indicates normal clearance

38
Q

XX3

A

3mm bore

Note: under 10mm, bearing bore is directly written

39
Q

XX8

A

8mm bore

Note: under 10mm, bearing bore is directly written

Industrial Mechanic 2nd Block, Harmonized (28 decks)

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