Sealmaster NP Series Data Sheet
MOUNTED BALL BEARINGS
NP Series Standard Duty Pillow Blocks...Setscrew Locking
SHAFT
DIAM. PART BRG.
IN MM
1/2 NP-8 2-08
9/16 NP-9 2-09
5/8 NP-10 2-010 1 3/16 5 3 3/8 4 1/8 1 1/2 3/4 7/16 1/2 2 7/16 1 7/32 23/32 3/8 1.7
11/16 NP-11 2-011
3/4 NP-12 2-012
20 NP-204 5204 1 5/16 5 3 3/8 4 1/8 1 1/2 3/4 7/16 1/2 2 9/16 1 7/32 23/32 3/8 1.9
13/16 NP-13 2-013
7/8 NP-14 2-014
15/16 NP-15 2-015 1 7/16 5 1/2 3 7/8 4 3/8 1 1/2 5/8 7/16 1/2 2 13/16 1 3/8 13/16 3/8 2.2
1 NP-16 2-1
25 NP-205 5205
1 1/16 NP-17 2-11
1 1/8 NP-18 2-12
1 3/16 NP-19 2-13 1 11/16 6 1/2 4 7/16 5 1/16 1 7/8 13/16 9/16 9/16 3 3/8 1 1/2 7/8 1/2 3.6
1 1/4 NP-20R 1-14
30 NP-206 5206
1 1/4 NP-20 2-14
1 5/16 NP-21 2-15
1 3/8 NP-22 2-16 1 7/8 6 9/16 4 11/16 5 5/16 1 7/8 13/16 9/16 5/8 3 3/4 1 11/16 1 1/2 4.5
1 7/16 NP-23 2-17
35 NP-207 5207
1 1/2 NP-24 2-18
1 9/16 NP-25 2-19 1 15/16 7 1/4 4 7/8 5 7/8 2 1/8 1 9/16 11/16 3 15/16 1 15/16 1 3/16 1/2 5.7
40 NP-208 5208
1 5/8 NP-26 2-110
1 11/16 NP-27 2-111
1 3/4 NP-28 2-112 2 1/8 7 1/2 5 7/16 6 1/16 2 1/8 13/16 9/16 11/16 4 1/4 1 15/16 1 3/16 1/2 6.5
45 NP-209 5209
1 13/16 NP-29 2-113
1 7/8 NP-30 2-114
1 15/16 NP-31 2-115 2 1/4 8 1/8 6 6 1/2 2 3/8 7/8 11/16 3/4 4 9/16 2 1/32 1 9/32 5/8 7.9
2 NP-32R 1-2
50 NP-210 5210
2 NP-32 2-2
2 1/8 NP-34 2-22
2 3/16 NP-35 2-23 2 1/2 8 5/8 6 1/2 7 2 3/8 7/8 11/16 3/4 5 2 3/16 1 5/16 5/8 9.7
55 NP-211 5211
2 1/4 NP-36 2-24
2 3/8 NP-38 2-26
2 7/16 NP-39 2-27 2 3/4 9 1/2 6 7/8 7 5/8 2 3/4 1 11/16 7/8 5 9/16 2 9/16 1 9/16 5/8 13.7
60 NP-212 5212
NO. NO.
AB
C
MIN. MAX.
Dimensions in Inches
DEFG HJK
BOLT
SIZE UNIT
IN. WT.
For Load Ratings, see page 45.
For Standard Duty Bearing Inserts-Single Lock, see page 43.
Felt Seal Standard
Positive sealing for low, medium, and high
speed operation.
20
Single Lip Contact Seal
Available on all sizes. Recommended where
moisture conditions prevail.
To specify, add suffix "C" (NP-16C).
Hi-Temp Seal
Available as an option where operating
temperatures are in 250-400° range.
(See seal options on page 188.)
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