1. Deep Groove Ball
Bearings

2. Deep Groove Ball Bearings

3. Deep Groove Ball Bearing Components
Seal Rolling elements Inner ring
Outer ring Cage Seal

4. Axial load
Radial load Combined load
Fa
Fr
Axial and Radial Load Capability

5. Seal and Shield Variations
Shields Low-friction seals Seals
-Z and -2Z -RZ and -2RZ -RS1 and -2RS1
Contaminant
exclusion
Silent
running
Grease
retention
Speed
capability

6. Characteristics of Different Seals
Application Shield Seal
Need 2Z 2RZ 2RS1
Low friction +++ ++(+) –
torque
High speed +++ ++(+) –
ability
Grease + ++ +++
retention
Dust + ++ +++
exclusion
Water – – +
exclusion
Low/high Depends on: Depends on:
operating
temperature Grease – Grease
– Rubber mix
+++ Excellent ++ Good + Fair – Poor

7. Application: Worm Wheel

8. Snap Ring and Filling Slot, Drive End

9. Check Machine Drawings and Fits

10. Preparations for Efficient Dismounting

11. Preparations before Bearing Changes

12. Dismounting a Deep Groove Ball Bearing

13. Removing the Interference Fit Outer Ring

14. Press

15. Using Bearing Pullers
External Internal Blind
Spread Reach Withdrawal force

16. Pulling on the Inner Ring

17. Pulling on the Inner Ring

18. Pullers for Difficult Applications
Designation Bore diameter SKF bearing
mm series
TMBP 20 105 – 160 60
65 – 150 62
45 – 105 63
30 – 85 64

19. Smaller Pullers for Blind Housings
Designation Bore diameter SKF bearing
mm series
TMBP 61 10 – 100 60
10 – 85 62
10 – 65 63
17 – 50 64

20. Spring Operated Jaw Puller
Designation Width of Effective Withdrawal
grip length of force
(spread) arms (reach) kN
mm mm
TMMA 3 36 – 150 150 30
TMMA 5 52 – 200 200 50
TMMA 8 75 – 250 250 80

21. Before Fitting Bearings

22. Check Bearing and Keep Protected

23. Check Lubricant

24. Cold Bearing Fitting

25. Press Fitting

26. Principle of Induction Heating

27. Induction Heater Range
A = TMBH 1 B = TIH 025/TIH 030 C = TIH 060 D = TIH 120

28. Small Induction Heaters