Rolled Ball Screws Block Nut - Shaft Dia.

15, 20, 25; Lead 5, 10

Accuracy Grade C10

Accuracy Part Unit Price 1 ~ 4 pc(s).

Type Accuracy Shaft Screw Shaft Nut Nut Type Grade Number
Nut Type Lead L150~199 L200~400 L401~600 L601~800 L801~1000 L1001~1200 L1201~ 1500
Standard F, P Configurable Grade Dia. MMaterial HHardness SSurface Treatment MMaterial HHardness SSurface Treatment
BSBR1505 -
Induction Hardened Phosphate Carburized Phosphate BSBR1510 -
Block Nut BSBR BSBRK C10 15, 20, 25 5, 10 S55C 56~62HRC Conversion Coating SCM420 58~62HRC Conversion Coating
BSBR2005 - -
Block Nut C10
BSBR2010 - -
* Included Collar (1 pc.) BSBR2505 -
M Material: S45C
BSBR2510 -
BSBR(K) 1505, 1510 S Surface Treatment: Black Oxide
* The dimensions in ( ) are for BSBR(K)1510. Part Number - L - F - P
34(36) BSBR1505 - 200
BSBRK2510 - 370 - F40 - P15

–0.003
Ø 12 –0.018
Ø 9.6 ––0.09
0.09

35(52) 4-M4(M5) 17(18) ±0.05

0

22(32) Depth 7(8) X 26

P ––0.009
0.009
R0.3 or less R0.3 or less

Ø 15

0
* Included Collar

2(3) 6(7)

18(22) (max) 13 (15)±0.05

–0.002
Ø 10 –0.015

QNotes

Ø 15 ±0.1
+0.1
Ø 12 0
EFilled with lithium soap based grease (Alvania Grease S2 made by Showa Shell Sekiyu K.K).
10 EVarious grease options are available. For price and specifications, WP.686
* Collar
C0.5 C0.5 C0.5 C0.5 17(23) (max)
EFor accuracy of Ball Screws, see P.2223 and P.2224.
6
1.15
+0.14
0 X M6x1 Depth 6 EFor details of Support Units, see P.753 ~ P.778.
+0.1 (Oil Inlet) View X-X ECautions:Do not let the nuts overrun or remove the nuts from the screw shafts.
9.15 0 10
It may cause the balls to fall out or damage the ball recirculation parts.
12 Y (Nut Motion Range) 10 30 F M12x1.0 Use the "* collar" position in the diagram for the accessory collar. Use one of the support unit accessory collars on the fastening nut side.
E
L * Included Collar (1 pc.) EDo not tilt the ball screw assembly since the nut may spin off from the shaft due to its own weight.
M Material: S45C Part Number - L - F - P -(FC, MC ••• etc.)
BSBR(K) 2005, 2010 P Tolerance S Surface Treatment: Black Oxide BSBR2505 - 700 -  RLC
Alterations Code Spec.
* The dimensions in ( ) are for BSBR(K)2010. 8~10 0
-0.009
0 48 Wrench Flats on Fixed Side
11, 12 -0.011
Ø 14.3 –0.11

Alterations Code Spec.

–0.003
Ø 15 –0.018

35(58) 4–M6 24 ±0.05

0

C
Depth 10 X No Machining on Support Side Shaft End B
22(35) 35 A D
R0.3 or less R0.3 or less No machining added on the support side shaft Adds wrench flats on the fixed side shaft end.
Ø 20

Incomplete Hardened Area

* Included Collar NC end. Ordering Code SZC
P

SZC

22 (30) (max) 17 (18)±0.05

9
–0.003
Ø 15 –0.018

L Ordering Code NC A B C D E B all bearings will fall out if the ball nut

Ø 20 ±0.1
+0.1
0
3(2) 10 -0.2 7 5 (22) crosses the wrench flats.

Ø 15 0
BSBR15##
Ball Nut Orientation Reversed BSBR20##
0
16 -0.25 9 6 (25)
* Collar 15 (Support Side) (Fixed Side) 0
Changes the nut direction. BSBR25## 18 -0.25 10 7 (27)
C0.5 C0.5 5(11.5) C0.5 C0.5 25(30) (max) Std. RLC
+0.14 Ordering Code RLC
1.15 0 X M6x1 Depth 6
Revised Keyway on Fixed Side Shaft End Adds a keyway on the fixed side shaft end.
+0.1 (Oil Inlet) View X-X Detailed Keyway Dimensions DP.684
10.15 0 15 KC=1mm Increment
No Retaining Ring Groove on Support
12 Y (Nut Motion Range) 15 40 F M15x1.0 Ordering Code KC20
* Included Collar (1 pc.) Side Shaft End No Retaining Ring Groove on Support Side Shaft End. KC E3≤KC≤Px3 KC≤F-1 (BSBR15##
L RNC Ordering Code RNC KC
E4≤KC≤Px3 KC≤F-1 (BSBR20##)
M Material: S45C
ECombination with FC is not available.
S Surface Treatment: Black Oxide E5≤KC≤Px3 KC≤F-1 (BSBR25##)
BSBR(K) 2505, 2510 P Tolerance
* The dimensions in ( ) are for BSBR(K)2510. 10 0 Change Support Side Shaft End Keyway on Fixed Side Shaft End Adds a keyway at a customer specified area on the
-0.009
60 Changes the machining on the support side. fixed side shaft end. (Keyway dim. is same as KC.)
0
11~15 -0.011 Machining Q is selectable from 8, 10, 12 K, S=1mm Increment
–0.004
Ø 20 –0.021
Ø 19 –0.21

35(94) 4–M8 30 ±0.05 Q is selectable from 8, 10, 12 (BSBR15##) Ordering Code KLC-K20-S3
KLC
0

22(60) Depth 12 X 40 Q is selectable from 10, 12, 15 (BSBR20##) E4≤K+S≤Px3 K+S≤F-1 (BSBR15##)

Qh7
R0.3 or less R0.3 or less GC Q is selectable from 10, 12, 15, 20 (BSBR25##)
K S 
Ø 25

G E5≤K+S≤Px3 K+S≤F-1 (BSBR20##)

* Included Collar
5(0) 9.5(10)

G=1mm Increment
P

E6≤K+S≤Px3 K+S≤F-1 (BSBR25##)

25(30) (max) 20 (23)±0.05
– 0.004
–0.004
– 0.021
Ø 20 –0.021

Ordering Code GC-Q8-G20

Ø 25 ±0.1

Flat Machined on Fixed Side Shaft End

+0.1

E5≤G≤Qx3EY dimension is shortened. Adds a flat on the fixed side shaft end.
Ø 20 0

Change Support Side Shaft End Length SC=1mm Increment

* Collar 20 Changes the length of the support side shaft end. SC Ordering Code SC20
C0.5 C0.5 C0.5 FC=1mm Increment SC 0.5
C0.5 7(10) 29(39) (max) E5≤SC≤Px3 SC≤F-1
A Ordering Code FC20
1.35
+0.14
0 X M6x1 Depth 6 FC E13≤FC≤30 (BSBR15##, 20##)
FC Part Number A
2 Flats Machined on Fixed Side Shaft End
+0.1 (Oil Inlet) View X-X BSBR15## 9.15 E19≤FC≤60 (BSBR25##) Adds two flats on the fixed side shaft end.
15.35 0 16 BSBR20## 10.15 SWC SGC
EY dimension is shortened. SWC: 90° Position SGC: 120° Position
BSBR25## 15.35 SWC

0.5
0.5
18 Y (Nut Motion Range) 20 53 F M20x1.0 1mm Increment
Tapped Hole on Support Side Shaft End SGC Ordering Code SWC20
L Adds a tapped hole on the support side shaft end.
SWC, SGC 0.5 0.5 E5≤SWC, SGC≤Px3 SWC, SGC≤F-1
MC=1mm Increment

M
l A Ordering Code MC40 Installing Special Temporary Shaft Special Temporary Shafts suitable with Ball
MC MC E18≤MC≤30 (BSBR15##)
Screws are installed.
E21≤MC≤30 (BSBR20##) Temporary Shaft
Part Number A M L
TAS When removing Nut from Screw Shaft, always
Nut Part Number
Accuracy 1mm Increment Ball Ball Center Screw Number Basic Load Rating Axial Twisting BSBR15## 9.15 M5x0.8 12 E28≤MC≤60 (BSBR25##) use Special Temporary Shaft.
Y BSBR20## 10.15 M6x1.0 15
Nut
Type Type Grade
Screw Shaft O.D. Lead L *F *P Dia. Dia. Root Dia. of Circuits C (Dynamic) kN Co (Static) kN Play Direction BSBR25## 15.35 M8x1.25 20 EY dimension is shortened.
Screw Shaft E For installation method, see P.685.
BSBR 15 10 L-67
05 QPeripherals: Combination of the following parts is available. QCombination with Support Units
BSBRK 15~30 6~10 L- (52+F)
15 150~1200 15.8 (12.5) 5.1 10.5
BSBR 15 10 L-67 0.10 or Ball Screw Part Number Recommended Support Unit
10 3.175 Screw Part Number
Shape Fixed
BSBRK 15~30 6~10 L- (52+F) Less Type Support
BSBR 20 12 L-87 Shaft O.D. Lead Type No. Side Side Page
05 20.8 (17.5) 2.5 turns, 6.2 14.7 BRW 12 G P.767
Block BSBRK 20~36 8~12 L- (67+F) 1 row Round
Nut C10 20 200~1200 Right Support Units - Square Support Units - Round 05 BUR 12 G P.768
BSBR 20 12 L-87 0.15 or 15
10 4.7625 21 (16.3) 10.6 22.7 10 BSW 12 G P.761
BSBRK 20~36 8~12 L- (67+F) Less Square
BUN 12 G P.762
BSBR 27 15 L-118
18.7 0.10
05 200~1500 3.175 25.8 or BRW 15 G P.767
(21.8) 6.6 Round
BSBRK 27~45 10~15 L- (91+F) Less 05 BUR 15 G P.768
25 BSBR 20
BSBR 27 15 L-118 10 BSW 15 P.761
(20.3) 2.52 rows
turns, 27.5
76.3 0.20
10 250~1500 6.35 26.8 or Square
G
BSBRK 27~45 10~15 L- (91+F) Less BUN 15 G P.762
* F and P are configurable for BSBRK only. EF≤Px3 kgf=Nx0.101972 BRW 20 G P.767
Round
05 BUR 20 G P.768
25 10 BSW 20 G P.761
Square
BUN 20 G P.762
1 -725 EOther than the part numbers shown above, a wide variety of Support Units are also available. (P.753~P.778) 1 -726