THK Radial Type LM Guide (SR)

THK SR-TB Block

The LM block has the same height as model SR-W and can be mounted from the bottom.

Model No. Dimensions Basic load rating
Outer Block Rail Radial
Height
M
Width
W
Length
L
B C H Pitch
F
d1xd2xh Dynamic
rating
C
Static
rating
C0
mm mm mm mm mm mm mm mm (KN) (KN)
SR15TB1SS BLOCK 24 52 57 41 26 4.5 60 3.5x6x4.5 13.8 20.5
SR20TB1SS BLOCK 28 59 66.2 49 32 5.5 60 6x9.5x8.5 19.2 28.6
SR25TB1SS BLOCK 33 73 83 60 35 7 60 7x11x9 30.9 44.7
SR55TB1SS BLOCK 68 140 156 116 75 14 120 14x20x17 136 179
SR45TB1SS BLOCK 60 120 126 100 60 11 105 11x17.5x14 80.4 107
SR35TB1SS BLOCK 48 100 111 82 50 9 80 9x14x12 60.4 81.8
SR30TB1SS BLOCK 42 90 96.8 72 40 9 80 7x11x9 45.6 64.4
SR15TB1SSC1 BLOCK 24 52 57 41 26 4.5 60 3.5x6x4.5 13.8 20.5
SR55TB1SSC1 BLOCK 68 140 156 116 75 14 120 14x20x17 136 179
SR45TB1SSC1 BLOCK 60 120 126 100 60 11 105 11x17.5x14 80.4 107
SR35TB1SSC1 BLOCK 48 100 111 82 50 9 80 9x14x12 60.4 81.8
SR30TB1SSC1 BLOCK 42 90 96.8 72 40 9 80 7x11x9 45.6 64.4
SR25TB1SSC1 BLOCK 33 73 83 60 35 7 60 7x11x9 30.9 44.7
SR20TB1SSC1 BLOCK 28 59 66.2 49 32 5.5 60 6x9.5x8.5 19.2 28.6

THK SR-SB Block

A space-saving type whose LM block has the same cross-sectional shape as model SR-TB, but has a smaller overall LM block length (L).

Model No. Dimensions Basic load rating
Outer Block Rail Radial
Height
M
Width
W
Length
L
B H Pitch
F
d1xd2xh Dynamic
rating
C
Static
rating
C0
mm mm mm mm mm mm mm (KN) (KN)
SR15SB1SS BLOCK 24 52 40.4 41 4.5 60 3.5x6x4.5 9.1 11.7
SR20SB1SS BLOCK 28 59 47.3 49 5.5 60 6x9.5x8.5 13.4 17.2
SR25SB1SS BLOCK 33 73 59.2 60 7 60 7x11x9 21.6 26.8
SR35SB1SS BLOCK 48 100 77.6 82 9 80 9x14x12 40.9 46.7
SR30SB1SS BLOCK 42 90 67.9 72 9 80 7x11x9 29.5 34.4
SR15SB1SSC1 BLOCK 24 52 40.4 41 4.5 60 3.5x6x4.5 9.1 11.7
SR35SB1SSC1 BLOCK 48 100 77.6 82 9 80 9x14x12 40.9 46.7
SR20SB1SSC1 BLOCK 28 59 47.3 49 5.5 60 6x9.5x8.5 13.4 17.2
SR30SB1SSC1 BLOCK 42 90 67.9 72 9 80 7x11x9 29.5 34.4
SR25SB1SSC1 BLOCK 33 73 59.2 60 7 60 7x11x9 21.6 26.8

THK SR-W Block

With this type, the LM block has a smaller width (W) and tapped holes.

Model No. Dimensions Basic load rating
Outer Block Rail Radial
Height
M
Width
W
Length
L
B C S x l Pitch
F
d1xd2xh Dynamic
rating
C
Static
rating
C0
mm mm mm mm mm mm mm mm (KN) (KN)
SR15W1SS BLOCK 24 34 57 26 26 M4 x 7 60 3.5x6x4.5 13.8 20.5
SR20W1SS BLOCK 28 42 66.2 32 32 M5 x 8 60 6x9.5x8.5 19.2 28.6
SR25W1SS BLOCK 33 48 83 35 35 M6 x 9 60 7x11x9 30.9 44.7
SR55W1SS BLOCK 68 100 156 75 75 M12 x 20 120 14x20x17 136 179
SR45W1SS BLOCK 60 86 126 60 60 M10 x 15 105 11x17.5x14 80.4 107
SR35W1SS BLOCK 48 70 111 50 50 M8 x 12 80 9x14x12 60.4 81.8
SR30W1SS BLOCK 42 60 96.8 40 40 M8 x 12 80 7x11x9 45.6 64.4
SR55W1SSC1 BLOCK 68 100 156 75 75 M12 x 20 120 14x20x17 136 179
SR15W1SSC1 BLOCK 24 34 57 26 26 M4 x 7 60 3.5x6x4.5 13.8 20.5
SR45W1SSC1 BLOCK 60 86 126 60 60 M10 x 15 105 11x17.5x14 80.4 107
SR35W1SSC1 BLOCK 48 70 111 50 50 M8 x 12 80 9x14x12 60.4 81.8
SR30W1SSC1 BLOCK 42 60 96.8 40 40 M8 x 12 80 7x11x9 45.6 64.4
SR25W1SSC1 BLOCK 33 48 83 35 35 M6 x 9 60 7x11x9 30.9 44.7
SR20W1SSC1 BLOCK 28 42 66.2 32 32 M5 x 8 60 6x9.5x8.5 19.2 28.6

THK SR-V Block

A space-saving type whose LM block has the same cross-sectional shape as model SR-W, but has a smaller overall LM block length (L).

Model No. Dimensions Basic load rating
Outer Block Rail Radial
Height
M
Width
W
Length
L
B S x l Pitch
F
d1xd2xh Dynamic
rating
C
Static
rating
C0
mm mm mm mm mm mm mm (KN) (KN)
SR15V1SS BLOCK 24 34 40.4 26 M4 x 7 60 3.5x6x4.5 9.1 11.7
SR20V1SS BLOCK 28 42 47.3 32 M5 x 8 60 6x9.5x8.5 13.4 17.2
SR25V1SS BLOCK 33 48 59.2 35 M6 x 9 60 7x11x9 21.6 26.8
SR35V1SS BLOCK 48 70 77.6 50 M8 x 12 80 9x14x12 40.9 46.7
SR30V1SS BLOCK 42 60 67.9 40 M8 x 12 80 7x11x9 29.5 34.4
SR15V1SSC1 BLOCK 24 34 40.4 26 M4 x 7 60 3.5x6x4.5 9.1 11.7
SR35V1SSC1 BLOCK 48 70 77.6 50 M8 x 12 80 9x14x12 40.9 46.7
SR30V1SSC1 BLOCK 42 60 67.9 40 M8 x 12 80 7x11x9 29.5 34.4
SR25V1SSC1 BLOCK 33 48 59.2 35 M6 x 9 60 7x11x9 21.6 26.8
SR20V1SSC1 BLOCK 28 42 47.3 32 M5 x 8 60 6x9.5x8.5 13.4 17.2

THK Radial Rail (SR)

Rails for SR Blocks

Model No. Nominal rail size Maximum length Series Standard pitch F G
SR15-160L RAIL 15 mm 160 mm SR15 60 20
SR15-220L RAIL 15 mm 220 mm SR15 60 20
SR15-280L RAIL 15 mm 280 mm SR15 60 20
SR15-340L RAIL 15 mm 340 mm SR15 60 20
SR15-400L RAIL 15 mm 400 mm SR15 60 20
SR15-460L RAIL 15 mm 460 mm SR15 60 20
SR15-520L RAIL 15 mm 520 mm SR15 60 20
SR15-580L RAIL 15 mm 580 mm SR15 60 20
SR15-640L RAIL 15 mm 640 mm SR15 60 20
SR15-700L RAIL 15 mm 700 mm SR15 60 20
SR15-760L RAIL 15 mm 760 mm SR15 60 20
SR15-820L RAIL 15 mm 820 mm SR15 60 20
SR15-940L RAIL 15 mm 940 mm SR15 60 20
SR15-1000L RAIL 15 mm 1000 mm SR15 60 20
SR15-1060L RAIL 15 mm 1060 mm SR15 60 20
SR15-1120L RAIL 15 mm 1120 mm SR15 60 20
SR15-1180L RAIL 15 mm 1180 mm SR15 60 20
SR15-1240L RAIL 15 mm 1240 mm SR15 60 20
SR15-1300L RAIL 15 mm 1300 mm SR15 60 20
SR15-1360L RAIL 15 mm 1360 mm SR15 60 20
SR15-1420L RAIL 15 mm 1420 mm SR15 60 20
SR15-1480L RAIL 15 mm 1480 mm SR15 60 20
SR15-1540L RAIL 15 mm 1540 mm SR15 60 20
SR15-1600L RAIL 15 mm 1600 mm SR15 60 20
SR15-3000L RAIL 15 mm 3000 mm SR15 60 20
SR20-220L RAIL 20 mm 220 mm SR20 60 20
SR20-280L RAIL 20 mm 280 mm SR20 60 20
SR20-340L RAIL 20 mm 340 mm SR20 60 20
SR20-400L RAIL 20 mm 400 mm SR20 60 20
SR20-460L RAIL 20 mm 460 mm SR20 60 20
SR20-520L RAIL 20 mm 520 mm SR20 60 20
SR20-580L RAIL 20 mm 580 mm SR20 60 20
SR20-640L RAIL 20 mm 640 mm SR20 60 20
SR20-700L RAIL 20 mm 700 mm SR20 60 20
SR20-760L RAIL 20 mm 760 mm SR20 60 20
SR20-820L RAIL 20 mm 820 mm SR20 60 20
SR20-940L RAIL 20 mm 940 mm SR20 60 20
SR20-1000L RAIL 20 mm 1000 mm SR20 60 20
SR20-1060L RAIL 20 mm 1060 mm SR20 60 20
SR20-1120L RAIL 20 mm 1120 mm SR20 60 20
SR20-1180L RAIL 20 mm 1180 mm SR20 60 20
SR20-1240L RAIL 20 mm 1240 mm SR20 60 20
SR20-1300L RAIL 20 mm 1300 mm SR20 60 20
SR20-1360L RAIL 20 mm 1360 mm SR20 60 20
SR20-1420L RAIL 20 mm 1420 mm SR20 60 20
SR20-1480L RAIL 20 mm 1480 mm SR20 60 20
SR20-1540L RAIL 20 mm 1540 mm SR20 60 20
SR20-1600L RAIL 20 mm 1600 mm SR20 60 20
SR20-1660L RAIL 20 mm 1660 mm SR20 60 20
SR20-1720L RAIL 20 mm 1720 mm SR20 60 20
SR20-1780L RAIL 20 mm 1780 mm SR20 60 20
SR20-1840L RAIL 20 mm 1840 mm SR20 60 20
SR20-1900L RAIL 20 mm 1900 mm SR20 60 20
SR20-1960L RAIL 20 mm 1960 mm SR20 60 20
SR20-2020L RAIL 20 mm 2020 mm SR20 60 20
SR20-2080L RAIL 20 mm 2080 mm SR20 60 20
SR20-2140L RAIL 20 mm 2140 mm SR20 60 20
SR20-2200L RAIL 20 mm 2200 mm SR20 60 20
SR20-3000L RAIL 20 mm 3000 mm SR20 60 20
SR25-220LY RAIL 25 mm 220 mm SR25 60 20
SR25-280LY RAIL 25 mm 280 mm SR25 60 20
SR25-340LY RAIL 25 mm 340 mm SR25 60 20
SR25-400LY RAIL 25 mm 400 mm SR25 60 20
SR25-460LY RAIL 25 mm 460 mm SR25 60 20
SR25-520LY RAIL 25 mm 520 mm SR25 60 20
SR25-580LY RAIL 25 mm 580 mm SR25 60 20
SR25-640LY RAIL 25 mm 640 mm SR25 60 20
SR25-700LY RAIL 25 mm 700 mm SR25 60 20
SR25-760LY RAIL 25 mm 760 mm SR25 60 20
SR25-820LY RAIL 25 mm 820 mm SR25 60 20
SR25-940LY RAIL 25 mm 940 mm SR25 60 20
SR25-1000LY RAIL 25 mm 1000 mm SR25 60 20
SR25-1060LY RAIL 25 mm 1060 mm SR25 60 20
SR25-1120LY RAIL 25 mm 1120 mm SR25 60 20
SR25-1240LY RAIL 25 mm 1240 mm SR25 60 20
SR25-1300LY RAIL 25 mm 1300 mm SR25 60 20
SR25-1360LY RAIL 25 mm 1360 mm SR25 60 20
SR25-1420LY RAIL 25 mm 1420 mm SR25 60 20
SR25-1480LY RAIL 25 mm 1480 mm SR25 60 20
SR25-1540LY RAIL 25 mm 1540 mm SR25 60 20
SR25-1600LY RAIL 25 mm 1600 mm SR25 60 20
SR25-1660LY RAIL 25 mm 1660 mm SR25 60 20
SR25-1720LY RAIL 25 mm 1720 mm SR25 60 20
SR25-1780LY RAIL 25 mm 1780 mm SR25 60 20
SR25-1840LY RAIL 25 mm 1840 mm SR25 60 20
SR25-1900LY RAIL 25 mm 1900 mm SR25 60 20
SR25-1960LY RAIL 25 mm 1960 mm SR25 60 20
SR25-2020LY RAIL 25 mm 2020 mm SR25 60 20
SR25-2080LY RAIL 25 mm 2080 mm SR25 60 20
SR25-2140LY RAIL 25 mm 2140 mm SR25 60 20
SR25-2200LY RAIL 25 mm 2200 mm SR25 60 20
SR25-2260LY RAIL 25 mm 2260 mm SR25 60 20
SR25-2320LY RAIL 25 mm 2320 mm SR25 60 20
SR25-2380LY RAIL 25 mm 2380 mm SR25 60 20
SR25-2440LY RAIL 25 mm 2440 mm SR25 60 20
SR25-2500LY RAIL 25 mm 2500 mm SR25 60 20
SR25-3000LY RAIL 25 mm 3000 mm SR25 60 20
SR30-280L RAIL 30 mm 280 mm SR30 80 20
SR30-360L RAIL 30 mm 360 mm SR30 80 20
SR30-440L RAIL 30 mm 440 mm SR30 80 20
SR30-520L RAIL 30 mm 520 mm SR30 80 20
SR30-600L RAIL 30 mm 600 mm SR30 80 20
SR30-680L RAIL 30 mm 680 mm SR30 80 20
SR30-760L RAIL 30 mm 760 mm SR30 80 20
SR30-840L RAIL 30 mm 840 mm SR30 80 20
SR30-920L RAIL 30 mm 920 mm SR30 80 20
SR30-1000L RAIL 30 mm 1000 mm SR30 80 20
SR30-1080L RAIL 30 mm 1080 mm SR30 80 20
SR30-1160L RAIL 30 mm 1160 mm SR30 80 20
SR30-1240L RAIL 30 mm 1240 mm SR30 80 20
SR30-1320L RAIL 30 mm 1320 mm SR30 80 20
SR30-1400L RAIL 30 mm 1400 mm SR30 80 20
SR30-1480L RAIL 30 mm 1480 mm SR30 80 20
SR30-1640L RAIL 30 mm 1640 mm SR30 80 20
SR30-1720L RAIL 30 mm 1720 mm SR30 80 20
SR30-1800L RAIL 30 mm 1800 mm SR30 80 20
SR30-1880L RAIL 30 mm 1880 mm SR30 80 20
SR30-1960L RAIL 30 mm 1960 mm SR30 80 20
SR30-2040L RAIL 30 mm 2040 mm SR30 80 20
SR30-2120L RAIL 30 mm 2120 mm SR30 80 20
SR30-2200L RAIL 30 mm 2200 mm SR30 80 20
SR30-2280L RAIL 30 mm 2280 mm SR30 80 20
SR30-2360L RAIL 30 mm 2360 mm SR30 80 20
SR30-2440L RAIL 30 mm 2440 mm SR30 80 20
SR30-2520L RAIL 30 mm 2520 mm SR30 80 20
SR30-2600L RAIL 30 mm 2600 mm SR30 80 20
SR30-2680L RAIL 30 mm 2680 mm SR30 80 20
SR30-2760L RAIL 30 mm 2760 mm SR30 80 20
SR30-2840L RAIL 30 mm 2840 mm SR30 80 20
SR30-2920L RAIL 30 mm 2920 mm SR30 80 20
SR30-3000L RAIL 30 mm 3000 mm SR30 80 20
SR35-280L RAIL 35 mm 280 mm SR35 80 20
SR35-360L RAIL 35 mm 360 mm SR35 80 20
SR35-440L RAIL 35 mm 440 mm SR35 80 20
SR35-520L RAIL 35 mm 520 mm SR35 80 20
SR35-600L RAIL 35 mm 600 mm SR35 80 20
SR35-680L RAIL 35 mm 680 mm SR35 80 20
SR35-760L RAIL 35 mm 760 mm SR35 80 20
SR35-840L RAIL 35 mm 840 mm SR35 80 20
SR35-920L RAIL 35 mm 920 mm SR35 80 20
SR35-1000L RAIL 35 mm 1000 mm SR35 80 20
SR35-1080L RAIL 35 mm 1080 mm SR35 80 20
SR35-1160L RAIL 35 mm 1160 mm SR35 80 20
SR35-1240L RAIL 35 mm 1240 mm SR35 80 20
SR35-1320L RAIL 35 mm 1320 mm SR35 80 20
SR35-1400L RAIL 35 mm 1400 mm SR35 80 20
SR35-1480L RAIL 35 mm 1480 mm SR35 80 20
SR35-1640L RAIL 35 mm 1640 mm SR35 80 20
SR35-1720L RAIL 35 mm 1720 mm SR35 80 20
SR35-1800L RAIL 35 mm 1800 mm SR35 80 20
SR35-1880L RAIL 35 mm 1880 mm SR35 80 20
SR35-1960L RAIL 35 mm 1960 mm SR35 80 20
SR35-2040L RAIL 35 mm 2040 mm SR35 80 20
SR35-2120L RAIL 35 mm 2120 mm SR35 80 20
SR35-2200L RAIL 35 mm 2200 mm SR35 80 20
SR35-2280L RAIL 35 mm 2280 mm SR35 80 20
SR35-2360L RAIL 35 mm 2360 mm SR35 80 20
SR35-2440L RAIL 35 mm 2440 mm SR35 80 20
SR35-2520L RAIL 35 mm 2520 mm SR35 80 20
SR35-2600L RAIL 35 mm 2600 mm SR35 80 20
SR35-2680L RAIL 35 mm 2680 mm SR35 80 20
SR35-2760L RAIL 35 mm 2760 mm SR35 80 20
SR35-2840L RAIL 35 mm 2840 mm SR35 80 20
SR35-2920L RAIL 35 mm 2920 mm SR35 80 20
SR35-3000L RAIL 35 mm 3000 mm SR35 80 20
SR45-570L RAIL 45 mm 570 mm SR45 80 20
SR45-675L RAIL 45 mm 675 mm SR45 80 20
SR45-780L RAIL 45 mm 780 mm SR45 80 20
SR45-885L RAIL 45 mm 885 mm SR45 80 20
SR45-990L RAIL 45 mm 990 mm SR45 80 20
SR45-1095L RAIL 45 mm 1095 mm SR45 80 20
SR45-1200L RAIL 45 mm 1200 mm SR45 80 20
SR45-1305L RAIL 45 mm 1305 mm SR45 80 20
SR45-1410L RAIL 45 mm 1410 mm SR45 80 20
SR45-1515L RAIL 45 mm 1515 mm SR45 80 20
SR45-1620L RAIL 45 mm 1620 mm SR45 80 20
SR45-1725L RAIL 45 mm 1725 mm SR45 80 20
SR45-1830L RAIL 45 mm 1830 mm SR45 80 20
SR45-1935L RAIL 45 mm 1935 mm SR45 80 20
SR45-2040L RAIL 45 mm 2040 mm SR45 80 20
SR45-2145L RAIL 45 mm 2145 mm SR45 80 20
SR45-2250L RAIL 45 mm 2250 mm SR45 80 20
SR45-2355L RAIL 45 mm 2355 mm SR45 80 20
SR45-2460L RAIL 45 mm 2460 mm SR45 80 20
SR45-2565L RAIL 45 mm 2565 mm SR45 80 20
SR45-2670L RAIL 45 mm 2670 mm SR45 80 20
SR45-2775L RAIL 45 mm 2775 mm SR45 80 20
SR45-2880L RAIL 45 mm 2880 mm SR45 80 20
SR45-2985L RAIL 45 mm 2985 mm SR45 80 20
SR45-3000L RAIL 45 mm 3000 mm SR45 80 20
SR55-780L RAIL 55 mm 780 mm SR55 80 20
SR55-900L RAIL 55 mm 900 mm SR55 80 20
SR55-1020L RAIL 55 mm 1020 mm SR55 80 20
SR55-1140L RAIL 55 mm 1140 mm SR55 80 20
SR55-1260L RAIL 55 mm 1260 mm SR55 80 20
SR55-1380L RAIL 55 mm 1380 mm SR55 80 20
SR55-1500L RAIL 55 mm 1500 mm SR55 80 20
SR55-1740L RAIL 55 mm 1740 mm SR55 80 20
SR55-1860L RAIL 55 mm 1860 mm SR55 80 20
SR55-1980L RAIL 55 mm 1980 mm SR55 80 20
SR55-2100L RAIL 55 mm 2100 mm SR55 80 20
SR55-2220L RAIL 55 mm 2220 mm SR55 80 20
SR55-2340L RAIL 55 mm 2340 mm SR55 80 20
SR55-2460L RAIL 55 mm 2460 mm SR55 80 20
SR55-2580L RAIL 55 mm 2580 mm SR55 80 20
SR55-2700L RAIL 55 mm 2700 mm SR55 80 20
SR55-2820L RAIL 55 mm 2820 mm SR55 80 20
SR55-2940L RAIL 55 mm 2940 mm SR55 80 20
SR55-3000L RAIL 55 mm 3000 mm SR55 80 20

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